20117880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 50643720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 41, 45, 47, 58, 60, 72, 82, 87, 90, 94, 116, 120, 123, 141, 145, 164, 174, 180, 188, 205, 232, 235, 246, 261, 282, 290, 328, 348, 360, 369, 376, 410, 423, 435, 470, 492, 522, 564, 580, 615, 696, 705, 738, 820, 846, 870, 940, 984, 1044, 1128, 1160, 1189, 1230, 1305, 1363, 1410, 1476, 1640, 1692, 1740, 1845, 1880, 1927, 2088, 2115, 2378, 2460, 2610, 2726, 2820, 2952, 3384, 3480, 3567, 3690, 3854, 4089, 4230, 4756, 4920, 5220, 5452, 5640, 5781, 5945, 6815, 7134, 7380, 7708, 8178, 8460, 9512, 9635, 10440, 10701, 10904, 11562, 11890, 12267, 13630, 14268, 14760, 15416, 16356, 16920, 17343, 17835, 19270, 20445, 21402, 23124, 23780, 24534, 27260, 28536, 28905, 32712, 34686, 35670, 38540, 40890, 42804, 46248, 47560, 49068, 53505, 54520, 55883, 57810, 61335, 69372, 71340, 77080, 81780, 85608, 86715, 98136, 107010, 111766, 115620, 122670, 138744, 142680, 163560, 167649, 173430, 214020, 223532, 231240, 245340, 279415, 335298, 346860, 428040, 447064, 490680, 502947, 558830, 670596, 693720, 838245, 1005894, 1117660, 1341192, 1676490, 2011788, 2235320, 2514735, 3352980, 4023576, 5029470, 6705960, 10058940, 20117880]

約数ペア:

[(1, 20117880), (2, 10058940), (3, 6705960), (4, 5029470), (5, 4023576), (6, 3352980), (8, 2514735), (9, 2235320), (10, 2011788), (12, 1676490), (15, 1341192), (18, 1117660), (20, 1005894), (24, 838245), (29, 693720), (30, 670596), (36, 558830), (40, 502947), (41, 490680), (45, 447064), (47, 428040), (58, 346860), (60, 335298), (72, 279415), (82, 245340), (87, 231240), (90, 223532), (94, 214020), (116, 173430), (120, 167649), (123, 163560), (141, 142680), (145, 138744), (164, 122670), (174, 115620), (180, 111766), (188, 107010), (205, 98136), (232, 86715), (235, 85608), (246, 81780), (261, 77080), (282, 71340), (290, 69372), (328, 61335), (348, 57810), (360, 55883), (369, 54520), (376, 53505), (410, 49068), (423, 47560), (435, 46248), (470, 42804), (492, 40890), (522, 38540), (564, 35670), (580, 34686), (615, 32712), (696, 28905), (705, 28536), (738, 27260), (820, 24534), (846, 23780), (870, 23124), (940, 21402), (984, 20445), (1044, 19270), (1128, 17835), (1160, 17343), (1189, 16920), (1230, 16356), (1305, 15416), (1363, 14760), (1410, 14268), (1476, 13630), (1640, 12267), (1692, 11890), (1740, 11562), (1845, 10904), (1880, 10701), (1927, 10440), (2088, 9635), (2115, 9512), (2378, 8460), (2460, 8178), (2610, 7708), (2726, 7380), (2820, 7134), (2952, 6815), (3384, 5945), (3480, 5781), (3567, 5640), (3690, 5452), (3854, 5220), (4089, 4920), (4230, 4756)]