20012285712

素因数分解:

$2^4\times 3^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1\times {\mathrm{1637}}^1$

素因数の和:2896

約数の個数: 80

約数和(自身を含む): 51983672832

約数和(自身を除く): 31971387120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 257, 514, 771, 991, 1028, 1542, 1637, 1982, 2056, 2973, 3084, 3274, 3964, 4112, 4911, 5946, 6168, 6548, 7928, 9822, 11892, 12336, 13096, 15856, 19644, 23784, 26192, 39288, 47568, 78576, 254687, 420709, 509374, 764061, 841418, 1018748, 1262127, 1528122, 1622267, 1682836, 2037496, 2524254, 3056244, 3244534, 3365672, 4074992, 4866801, 5048508, 6112488, 6489068, 6731344, 9733602, 10097016, 12224976, 12978136, 19467204, 20194032, 25956272, 38934408, 77868816, 416922619, 833845238, 1250767857, 1667690476, 2501535714, 3335380952, 5003071428, 6670761904, 10006142856, 20012285712]

約数ペア:

[(1, 20012285712), (2, 10006142856), (3, 6670761904), (4, 5003071428), (6, 3335380952), (8, 2501535714), (12, 1667690476), (16, 1250767857), (24, 833845238), (48, 416922619), (257, 77868816), (514, 38934408), (771, 25956272), (991, 20194032), (1028, 19467204), (1542, 12978136), (1637, 12224976), (1982, 10097016), (2056, 9733602), (2973, 6731344), (3084, 6489068), (3274, 6112488), (3964, 5048508), (4112, 4866801), (4911, 4074992), (5946, 3365672), (6168, 3244534), (6548, 3056244), (7928, 2524254), (9822, 2037496), (11892, 1682836), (12336, 1622267), (13096, 1528122), (15856, 1262127), (19644, 1018748), (23784, 841418), (26192, 764061), (39288, 509374), (47568, 420709), (78576, 254687)]