20578668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 55738368

約数和(自身を除く): 35159700

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 47, 62, 66, 93, 94, 107, 124, 132, 141, 186, 188, 214, 282, 321, 341, 372, 428, 517, 564, 642, 682, 1023, 1034, 1177, 1284, 1364, 1457, 1551, 2046, 2068, 2354, 2914, 3102, 3317, 3531, 4092, 4371, 4708, 5029, 5828, 6204, 6634, 7062, 8742, 9951, 10058, 13268, 14124, 15087, 16027, 17484, 19902, 20116, 30174, 32054, 36487, 39804, 48081, 55319, 60348, 64108, 72974, 96162, 109461, 110638, 145948, 155899, 165957, 192324, 218922, 221276, 311798, 331914, 437844, 467697, 623596, 663828, 935394, 1714889, 1870788, 3429778, 5144667, 6859556, 10289334, 20578668]

約数ペア:

[(1, 20578668), (2, 10289334), (3, 6859556), (4, 5144667), (6, 3429778), (11, 1870788), (12, 1714889), (22, 935394), (31, 663828), (33, 623596), (44, 467697), (47, 437844), (62, 331914), (66, 311798), (93, 221276), (94, 218922), (107, 192324), (124, 165957), (132, 155899), (141, 145948), (186, 110638), (188, 109461), (214, 96162), (282, 72974), (321, 64108), (341, 60348), (372, 55319), (428, 48081), (517, 39804), (564, 36487), (642, 32054), (682, 30174), (1023, 20116), (1034, 19902), (1177, 17484), (1284, 16027), (1364, 15087), (1457, 14124), (1551, 13268), (2046, 10058), (2068, 9951), (2354, 8742), (2914, 7062), (3102, 6634), (3317, 6204), (3531, 5828), (4092, 5029), (4371, 4708)]