20256600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 80151120

約数和(自身を除く): 59894520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 49, 50, 52, 53, 56, 60, 65, 70, 75, 78, 84, 91, 98, 100, 104, 105, 106, 120, 130, 140, 147, 150, 156, 159, 168, 175, 182, 195, 196, 200, 210, 212, 245, 260, 265, 273, 280, 294, 300, 312, 318, 325, 350, 364, 371, 390, 392, 420, 424, 455, 490, 520, 525, 530, 546, 588, 600, 636, 637, 650, 689, 700, 728, 735, 742, 780, 795, 840, 910, 975, 980, 1050, 1060, 1092, 1113, 1176, 1225, 1272, 1274, 1300, 1325, 1365, 1378, 1400, 1470, 1484, 1560, 1590, 1820, 1855, 1911, 1950, 1960, 2067, 2100, 2120, 2184, 2226, 2275, 2450, 2548, 2597, 2600, 2650, 2730, 2756, 2940, 2968, 3180, 3185, 3445, 3640, 3675, 3710, 3822, 3900, 3975, 4134, 4200, 4452, 4550, 4823, 4900, 5096, 5194, 5300, 5460, 5512, 5565, 5880, 6360, 6370, 6825, 6890, 7350, 7420, 7644, 7791, 7800, 7950, 8268, 8904, 9100, 9275, 9555, 9646, 9800, 10335, 10388, 10600, 10920, 11130, 12740, 12985, 13650, 13780, 14469, 14700, 14840, 15288, 15582, 15900, 15925, 16536, 17225, 18200, 18550, 19110, 19292, 20670, 20776, 22260, 24115, 25480, 25970, 27300, 27560, 27825, 28938, 29400, 31164, 31800, 31850, 33761, 34450, 37100, 38220, 38584, 38955, 41340, 44520, 47775, 48230, 51675, 51940, 54600, 55650, 57876, 62328, 63700, 64925, 67522, 68900, 72345, 74200, 76440, 77910, 82680, 95550, 96460, 101283, 103350, 103880, 111300, 115752, 120575, 127400, 129850, 135044, 137800, 144690, 155820, 168805, 191100, 192920, 194775, 202566, 206700, 222600, 241150, 259700, 270088, 289380, 311640, 337610, 361725, 382200, 389550, 405132, 413400, 482300, 506415, 519400, 578760, 675220, 723450, 779100, 810264, 844025, 964600, 1012830, 1350440, 1446900, 1558200, 1688050, 2025660, 2532075, 2893800, 3376100, 4051320, 5064150, 6752200, 10128300, 20256600]

約数ペア:

[(1, 20256600), (2, 10128300), (3, 6752200), (4, 5064150), (5, 4051320), (6, 3376100), (7, 2893800), (8, 2532075), (10, 2025660), (12, 1688050), (13, 1558200), (14, 1446900), (15, 1350440), (20, 1012830), (21, 964600), (24, 844025), (25, 810264), (26, 779100), (28, 723450), (30, 675220), (35, 578760), (39, 519400), (40, 506415), (42, 482300), (49, 413400), (50, 405132), (52, 389550), (53, 382200), (56, 361725), (60, 337610), (65, 311640), (70, 289380), (75, 270088), (78, 259700), (84, 241150), (91, 222600), (98, 206700), (100, 202566), (104, 194775), (105, 192920), (106, 191100), (120, 168805), (130, 155820), (140, 144690), (147, 137800), (150, 135044), (156, 129850), (159, 127400), (168, 120575), (175, 115752), (182, 111300), (195, 103880), (196, 103350), (200, 101283), (210, 96460), (212, 95550), (245, 82680), (260, 77910), (265, 76440), (273, 74200), (280, 72345), (294, 68900), (300, 67522), (312, 64925), (318, 63700), (325, 62328), (350, 57876), (364, 55650), (371, 54600), (390, 51940), (392, 51675), (420, 48230), (424, 47775), (455, 44520), (490, 41340), (520, 38955), (525, 38584), (530, 38220), (546, 37100), (588, 34450), (600, 33761), (636, 31850), (637, 31800), (650, 31164), (689, 29400), (700, 28938), (728, 27825), (735, 27560), (742, 27300), (780, 25970), (795, 25480), (840, 24115), (910, 22260), (975, 20776), (980, 20670), (1050, 19292), (1060, 19110), (1092, 18550), (1113, 18200), (1176, 17225), (1225, 16536), (1272, 15925), (1274, 15900), (1300, 15582), (1325, 15288), (1365, 14840), (1378, 14700), (1400, 14469), (1470, 13780), (1484, 13650), (1560, 12985), (1590, 12740), (1820, 11130), (1855, 10920), (1911, 10600), (1950, 10388), (1960, 10335), (2067, 9800), (2100, 9646), (2120, 9555), (2184, 9275), (2226, 9100), (2275, 8904), (2450, 8268), (2548, 7950), (2597, 7800), (2600, 7791), (2650, 7644), (2730, 7420), (2756, 7350), (2940, 6890), (2968, 6825), (3180, 6370), (3185, 6360), (3445, 5880), (3640, 5565), (3675, 5512), (3710, 5460), (3822, 5300), (3900, 5194), (3975, 5096), (4134, 4900), (4200, 4823), (4452, 4550)]