20743630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2608

約数の個数: 32

約数和(自身を含む): 40233600

約数和(自身を除く): 19489970

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2539, 4085, 5078, 8170, 12695, 25390, 48241, 96482, 109177, 218354, 241205, 482410, 545885, 1091770, 2074363, 4148726, 10371815, 20743630]

約数ペア:

[(1, 20743630), (2, 10371815), (5, 4148726), (10, 2074363), (19, 1091770), (38, 545885), (43, 482410), (86, 241205), (95, 218354), (190, 109177), (215, 96482), (430, 48241), (817, 25390), (1634, 12695), (2539, 8170), (4085, 5078)]