20677800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 75620160

約数和(自身を除く): 54942360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 25, 26, 30, 33, 39, 40, 44, 50, 52, 55, 60, 65, 66, 75, 78, 88, 100, 104, 110, 120, 130, 132, 143, 150, 156, 165, 195, 200, 220, 241, 260, 264, 275, 286, 300, 312, 325, 330, 390, 429, 440, 482, 520, 550, 572, 600, 650, 660, 715, 723, 780, 825, 858, 964, 975, 1100, 1144, 1205, 1300, 1320, 1430, 1446, 1560, 1650, 1716, 1928, 1950, 2145, 2200, 2410, 2600, 2651, 2860, 2892, 3133, 3300, 3432, 3575, 3615, 3900, 4290, 4820, 5302, 5720, 5784, 6025, 6266, 6600, 7150, 7230, 7800, 7953, 8580, 9399, 9640, 10604, 10725, 12050, 12532, 13255, 14300, 14460, 15665, 15906, 17160, 18075, 18798, 21208, 21450, 24100, 25064, 26510, 28600, 28920, 31330, 31812, 34463, 36150, 37596, 39765, 42900, 46995, 48200, 53020, 62660, 63624, 66275, 68926, 72300, 75192, 78325, 79530, 85800, 93990, 103389, 106040, 125320, 132550, 137852, 144600, 156650, 159060, 172315, 187980, 198825, 206778, 234975, 265100, 275704, 313300, 318120, 344630, 375960, 397650, 413556, 469950, 516945, 530200, 626600, 689260, 795300, 827112, 861575, 939900, 1033890, 1378520, 1590600, 1723150, 1879800, 2067780, 2584725, 3446300, 4135560, 5169450, 6892600, 10338900, 20677800]

約数ペア:

[(1, 20677800), (2, 10338900), (3, 6892600), (4, 5169450), (5, 4135560), (6, 3446300), (8, 2584725), (10, 2067780), (11, 1879800), (12, 1723150), (13, 1590600), (15, 1378520), (20, 1033890), (22, 939900), (24, 861575), (25, 827112), (26, 795300), (30, 689260), (33, 626600), (39, 530200), (40, 516945), (44, 469950), (50, 413556), (52, 397650), (55, 375960), (60, 344630), (65, 318120), (66, 313300), (75, 275704), (78, 265100), (88, 234975), (100, 206778), (104, 198825), (110, 187980), (120, 172315), (130, 159060), (132, 156650), (143, 144600), (150, 137852), (156, 132550), (165, 125320), (195, 106040), (200, 103389), (220, 93990), (241, 85800), (260, 79530), (264, 78325), (275, 75192), (286, 72300), (300, 68926), (312, 66275), (325, 63624), (330, 62660), (390, 53020), (429, 48200), (440, 46995), (482, 42900), (520, 39765), (550, 37596), (572, 36150), (600, 34463), (650, 31812), (660, 31330), (715, 28920), (723, 28600), (780, 26510), (825, 25064), (858, 24100), (964, 21450), (975, 21208), (1100, 18798), (1144, 18075), (1205, 17160), (1300, 15906), (1320, 15665), (1430, 14460), (1446, 14300), (1560, 13255), (1650, 12532), (1716, 12050), (1928, 10725), (1950, 10604), (2145, 9640), (2200, 9399), (2410, 8580), (2600, 7953), (2651, 7800), (2860, 7230), (2892, 7150), (3133, 6600), (3300, 6266), (3432, 6025), (3575, 5784), (3615, 5720), (3900, 5302), (4290, 4820)]