20840364

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 33934356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 109, 113, 141, 188, 218, 226, 282, 327, 339, 423, 436, 452, 564, 654, 678, 846, 981, 1017, 1308, 1356, 1692, 1962, 2034, 3924, 4068, 5123, 5311, 10246, 10622, 12317, 15369, 15933, 20492, 21244, 24634, 30738, 31866, 36951, 46107, 47799, 49268, 61476, 63732, 73902, 92214, 95598, 110853, 147804, 184428, 191196, 221706, 443412, 578899, 1157798, 1736697, 2315596, 3473394, 5210091, 6946788, 10420182, 20840364]

約数ペア:

[(1, 20840364), (2, 10420182), (3, 6946788), (4, 5210091), (6, 3473394), (9, 2315596), (12, 1736697), (18, 1157798), (36, 578899), (47, 443412), (94, 221706), (109, 191196), (113, 184428), (141, 147804), (188, 110853), (218, 95598), (226, 92214), (282, 73902), (327, 63732), (339, 61476), (423, 49268), (436, 47799), (452, 46107), (564, 36951), (654, 31866), (678, 30738), (846, 24634), (981, 21244), (1017, 20492), (1308, 15933), (1356, 15369), (1692, 12317), (1962, 10622), (2034, 10246), (3924, 5311), (4068, 5123)]