20445672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3449}}^1$

素因数の和:3490

約数の個数: 64

約数和(自身を含む): 57960000

約数和(自身を除く): 37514328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3449, 5928, 6898, 10347, 13796, 20694, 27592, 41388, 44837, 65531, 82776, 89674, 131062, 134511, 179348, 196593, 262124, 269022, 358696, 393186, 524248, 538044, 786372, 851903, 1076088, 1572744, 1703806, 2555709, 3407612, 5111418, 6815224, 10222836, 20445672]

約数ペア:

[(1, 20445672), (2, 10222836), (3, 6815224), (4, 5111418), (6, 3407612), (8, 2555709), (12, 1703806), (13, 1572744), (19, 1076088), (24, 851903), (26, 786372), (38, 538044), (39, 524248), (52, 393186), (57, 358696), (76, 269022), (78, 262124), (104, 196593), (114, 179348), (152, 134511), (156, 131062), (228, 89674), (247, 82776), (312, 65531), (456, 44837), (494, 41388), (741, 27592), (988, 20694), (1482, 13796), (1976, 10347), (2964, 6898), (3449, 5928)]