20873112

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 56700000

約数和(自身を除く): 35826888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 149, 156, 298, 312, 447, 449, 596, 894, 898, 1192, 1347, 1788, 1796, 1937, 2694, 3576, 3592, 3874, 5388, 5811, 5837, 7748, 10776, 11622, 11674, 15496, 17511, 23244, 23348, 35022, 46488, 46696, 66901, 70044, 133802, 140088, 200703, 267604, 401406, 535208, 802812, 869713, 1605624, 1739426, 2609139, 3478852, 5218278, 6957704, 10436556, 20873112]

約数ペア:

[(1, 20873112), (2, 10436556), (3, 6957704), (4, 5218278), (6, 3478852), (8, 2609139), (12, 1739426), (13, 1605624), (24, 869713), (26, 802812), (39, 535208), (52, 401406), (78, 267604), (104, 200703), (149, 140088), (156, 133802), (298, 70044), (312, 66901), (447, 46696), (449, 46488), (596, 35022), (894, 23348), (898, 23244), (1192, 17511), (1347, 15496), (1788, 11674), (1796, 11622), (1937, 10776), (2694, 7748), (3576, 5837), (3592, 5811), (3874, 5388)]