20979336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{827}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 39431544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 151, 168, 302, 453, 604, 827, 906, 1057, 1208, 1654, 1812, 2114, 2481, 3171, 3308, 3624, 4228, 4962, 5789, 6342, 6616, 8456, 9924, 11578, 12684, 17367, 19848, 23156, 25368, 34734, 46312, 69468, 124877, 138936, 249754, 374631, 499508, 749262, 874139, 999016, 1498524, 1748278, 2622417, 2997048, 3496556, 5244834, 6993112, 10489668, 20979336]

約数ペア:

[(1, 20979336), (2, 10489668), (3, 6993112), (4, 5244834), (6, 3496556), (7, 2997048), (8, 2622417), (12, 1748278), (14, 1498524), (21, 999016), (24, 874139), (28, 749262), (42, 499508), (56, 374631), (84, 249754), (151, 138936), (168, 124877), (302, 69468), (453, 46312), (604, 34734), (827, 25368), (906, 23156), (1057, 19848), (1208, 17367), (1654, 12684), (1812, 11578), (2114, 9924), (2481, 8456), (3171, 6616), (3308, 6342), (3624, 5789), (4228, 4962)]