20481859215

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{22271}}^1$

素因数の和:22580

約数の個数: 48

約数和(自身を含む): 36022910976

約数和(自身を除く): 15541051761

約数列:

[1, 3, 5, 9, 15, 45, 107, 191, 321, 535, 573, 955, 963, 1605, 1719, 2865, 4815, 8595, 20437, 22271, 61311, 66813, 102185, 111355, 183933, 200439, 306555, 334065, 919665, 1002195, 2382997, 4253761, 7148991, 11914985, 12761283, 21268805, 21446973, 35744955, 38283849, 63806415, 107234865, 191419245, 455152427, 1365457281, 2275762135, 4096371843, 6827286405, 20481859215]

約数ペア:

[(1, 20481859215), (3, 6827286405), (5, 4096371843), (9, 2275762135), (15, 1365457281), (45, 455152427), (107, 191419245), (191, 107234865), (321, 63806415), (535, 38283849), (573, 35744955), (955, 21446973), (963, 21268805), (1605, 12761283), (1719, 11914985), (2865, 7148991), (4815, 4253761), (8595, 2382997), (20437, 1002195), (22271, 919665), (61311, 334065), (66813, 306555), (102185, 200439), (111355, 183933)]