20775924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 36462348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 206, 234, 309, 412, 431, 468, 618, 862, 927, 1236, 1293, 1339, 1724, 1854, 2586, 2678, 3708, 3879, 4017, 5172, 5356, 5603, 7758, 8034, 11206, 12051, 15516, 16068, 16809, 22412, 24102, 33618, 44393, 48204, 50427, 67236, 88786, 100854, 133179, 177572, 201708, 266358, 399537, 532716, 577109, 799074, 1154218, 1598148, 1731327, 2308436, 3462654, 5193981, 6925308, 10387962, 20775924]

約数ペア:

[(1, 20775924), (2, 10387962), (3, 6925308), (4, 5193981), (6, 3462654), (9, 2308436), (12, 1731327), (13, 1598148), (18, 1154218), (26, 799074), (36, 577109), (39, 532716), (52, 399537), (78, 266358), (103, 201708), (117, 177572), (156, 133179), (206, 100854), (234, 88786), (309, 67236), (412, 50427), (431, 48204), (468, 44393), (618, 33618), (862, 24102), (927, 22412), (1236, 16809), (1293, 16068), (1339, 15516), (1724, 12051), (1854, 11206), (2586, 8034), (2678, 7758), (3708, 5603), (3879, 5356), (4017, 5172)]