20189493064

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{514933}}^1$

素因数の和:514994

約数の個数: 48

約数和(自身を含む): 42404814900

約数和(自身を除く): 22215321836

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 169, 232, 338, 377, 676, 754, 1352, 1508, 3016, 4901, 9802, 19604, 39208, 514933, 1029866, 2059732, 4119464, 6694129, 13388258, 14933057, 26776516, 29866114, 53553032, 59732228, 87023677, 119464456, 174047354, 194129741, 348094708, 388259482, 696189416, 776518964, 1553037928, 2523686633, 5047373266, 10094746532, 20189493064]

約数ペア:

[(1, 20189493064), (2, 10094746532), (4, 5047373266), (8, 2523686633), (13, 1553037928), (26, 776518964), (29, 696189416), (52, 388259482), (58, 348094708), (104, 194129741), (116, 174047354), (169, 119464456), (232, 87023677), (338, 59732228), (377, 53553032), (676, 29866114), (754, 26776516), (1352, 14933057), (1508, 13388258), (3016, 6694129), (4901, 4119464), (9802, 2059732), (19604, 1029866), (39208, 514933)]