20383896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 35257704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 827, 948, 1027, 1654, 1896, 2054, 2481, 3081, 3308, 4108, 4962, 6162, 6616, 8216, 9924, 10751, 12324, 19848, 21502, 24648, 32253, 43004, 64506, 65333, 86008, 129012, 130666, 195999, 258024, 261332, 391998, 522664, 783996, 849329, 1567992, 1698658, 2547987, 3397316, 5095974, 6794632, 10191948, 20383896]

約数ペア:

[(1, 20383896), (2, 10191948), (3, 6794632), (4, 5095974), (6, 3397316), (8, 2547987), (12, 1698658), (13, 1567992), (24, 849329), (26, 783996), (39, 522664), (52, 391998), (78, 261332), (79, 258024), (104, 195999), (156, 130666), (158, 129012), (237, 86008), (312, 65333), (316, 64506), (474, 43004), (632, 32253), (827, 24648), (948, 21502), (1027, 19848), (1654, 12324), (1896, 10751), (2054, 9924), (2481, 8216), (3081, 6616), (3308, 6162), (4108, 4962)]