20121911848

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{148243}}^1$

素因数の和:148334

約数の個数: 48

約数和(自身を含む): 40666294080

約数和(自身を除く): 20544382232

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 361, 376, 722, 893, 1444, 1786, 2888, 3572, 7144, 16967, 33934, 67868, 135736, 148243, 296486, 592972, 1185944, 2816617, 5633234, 6967421, 11266468, 13934842, 22532936, 27869684, 53515723, 55739368, 107031446, 132380999, 214062892, 264761998, 428125784, 529523996, 1059047992, 2515238981, 5030477962, 10060955924, 20121911848]

約数ペア:

[(1, 20121911848), (2, 10060955924), (4, 5030477962), (8, 2515238981), (19, 1059047992), (38, 529523996), (47, 428125784), (76, 264761998), (94, 214062892), (152, 132380999), (188, 107031446), (361, 55739368), (376, 53515723), (722, 27869684), (893, 22532936), (1444, 13934842), (1786, 11266468), (2888, 6967421), (3572, 5633234), (7144, 2816617), (16967, 1185944), (33934, 592972), (67868, 296486), (135736, 148243)]