20774676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 56573440

約数和(自身を除く): 35798764

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 43, 52, 57, 76, 78, 86, 114, 129, 156, 163, 172, 228, 247, 258, 326, 489, 494, 516, 559, 652, 741, 817, 978, 988, 1118, 1482, 1634, 1677, 1956, 2119, 2236, 2451, 2964, 3097, 3268, 3354, 4238, 4902, 6194, 6357, 6708, 7009, 8476, 9291, 9804, 10621, 12388, 12714, 14018, 18582, 21027, 21242, 25428, 28036, 31863, 37164, 40261, 42054, 42484, 63726, 80522, 84108, 91117, 120783, 127452, 133171, 161044, 182234, 241566, 266342, 273351, 364468, 399513, 483132, 532684, 546702, 799026, 1093404, 1598052, 1731223, 3462446, 5193669, 6924892, 10387338, 20774676]

約数ペア:

[(1, 20774676), (2, 10387338), (3, 6924892), (4, 5193669), (6, 3462446), (12, 1731223), (13, 1598052), (19, 1093404), (26, 799026), (38, 546702), (39, 532684), (43, 483132), (52, 399513), (57, 364468), (76, 273351), (78, 266342), (86, 241566), (114, 182234), (129, 161044), (156, 133171), (163, 127452), (172, 120783), (228, 91117), (247, 84108), (258, 80522), (326, 63726), (489, 42484), (494, 42054), (516, 40261), (559, 37164), (652, 31863), (741, 28036), (817, 25428), (978, 21242), (988, 21027), (1118, 18582), (1482, 14018), (1634, 12714), (1677, 12388), (1956, 10621), (2119, 9804), (2236, 9291), (2451, 8476), (2964, 7009), (3097, 6708), (3268, 6357), (3354, 6194), (4238, 4902)]