20121449106220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1187806913}}^1$

素因数の和:1187806951

約数の個数: 72

約数和(自身を含む): 53080715372832

約数和(自身を除く): 32959266266612

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 1187806913, 2375613826, 4751227652, 5939034565, 8314648391, 11878069130, 13065876043, 16629296782, 23756138260, 26131752086, 33258593564, 41573241955, 52263504172, 65329380215, 83146483910, 91461132301, 130658760430, 143724636473, 166292967820, 182922264602, 261317520860, 287449272946, 365844529204, 457305661505, 574898545892, 718623182365, 914611323010, 1006072455311, 1437246364730, 1829222646020, 2012144910622, 2874492729460, 4024289821244, 5030362276555, 10060724553110, 20121449106220]

約数ペア:

[(1, 20121449106220), (2, 10060724553110), (4, 5030362276555), (5, 4024289821244), (7, 2874492729460), (10, 2012144910622), (11, 1829222646020), (14, 1437246364730), (20, 1006072455311), (22, 914611323010), (28, 718623182365), (35, 574898545892), (44, 457305661505), (55, 365844529204), (70, 287449272946), (77, 261317520860), (110, 182922264602), (121, 166292967820), (140, 143724636473), (154, 130658760430), (220, 91461132301), (242, 83146483910), (308, 65329380215), (385, 52263504172), (484, 41573241955), (605, 33258593564), (770, 26131752086), (847, 23756138260), (1210, 16629296782), (1540, 13065876043), (1694, 11878069130), (2420, 8314648391), (3388, 5939034565), (4235, 4751227652), (8470, 2375613826), (16940, 1187806913)]