20218986504

素因数分解:

$2^3\times 3^3\times {\mathrm{149}}^1\times {\mathrm{628231}}^1$

素因数の和:628395

約数の個数: 64

約数和(自身を含む): 56540880000

約数和(自身を除く): 36321893496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 149, 216, 298, 447, 596, 894, 1192, 1341, 1788, 2682, 3576, 4023, 5364, 8046, 10728, 16092, 32184, 628231, 1256462, 1884693, 2512924, 3769386, 5025848, 5654079, 7538772, 11308158, 15077544, 16962237, 22616316, 33924474, 45232632, 67848948, 93606419, 135697896, 187212838, 280819257, 374425676, 561638514, 748851352, 842457771, 1123277028, 1684915542, 2246554056, 2527373313, 3369831084, 5054746626, 6739662168, 10109493252, 20218986504]

約数ペア:

[(1, 20218986504), (2, 10109493252), (3, 6739662168), (4, 5054746626), (6, 3369831084), (8, 2527373313), (9, 2246554056), (12, 1684915542), (18, 1123277028), (24, 842457771), (27, 748851352), (36, 561638514), (54, 374425676), (72, 280819257), (108, 187212838), (149, 135697896), (216, 93606419), (298, 67848948), (447, 45232632), (596, 33924474), (894, 22616316), (1192, 16962237), (1341, 15077544), (1788, 11308158), (2682, 7538772), (3576, 5654079), (4023, 5025848), (5364, 3769386), (8046, 2512924), (10728, 1884693), (16092, 1256462), (32184, 628231)]