20121244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 42829920

約数和(自身を除く): 22708676

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 286, 319, 377, 572, 638, 754, 1213, 1276, 1508, 2426, 4147, 4852, 8294, 13343, 15769, 16588, 26686, 31538, 35177, 53372, 63076, 70354, 140708, 173459, 346918, 386947, 457301, 693836, 773894, 914602, 1547788, 1829204, 5030311, 10060622, 20121244]

約数ペア:

[(1, 20121244), (2, 10060622), (4, 5030311), (11, 1829204), (13, 1547788), (22, 914602), (26, 773894), (29, 693836), (44, 457301), (52, 386947), (58, 346918), (116, 173459), (143, 140708), (286, 70354), (319, 63076), (377, 53372), (572, 35177), (638, 31538), (754, 26686), (1213, 16588), (1276, 15769), (1508, 13343), (2426, 8294), (4147, 4852)]