2019032020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{6521}}^1$

素因数の和:6780

約数の個数: 48

約数和(自身を含む): 4309372368

約数和(自身を除く): 2290340348

約数列:

[1, 2, 4, 5, 10, 20, 113, 137, 226, 274, 452, 548, 565, 685, 1130, 1370, 2260, 2740, 6521, 13042, 15481, 26084, 30962, 32605, 61924, 65210, 77405, 130420, 154810, 309620, 736873, 893377, 1473746, 1786754, 2947492, 3573508, 3684365, 4466885, 7368730, 8933770, 14737460, 17867540, 100951601, 201903202, 403806404, 504758005, 1009516010, 2019032020]

約数ペア:

[(1, 2019032020), (2, 1009516010), (4, 504758005), (5, 403806404), (10, 201903202), (20, 100951601), (113, 17867540), (137, 14737460), (226, 8933770), (274, 7368730), (452, 4466885), (548, 3684365), (565, 3573508), (685, 2947492), (1130, 1786754), (1370, 1473746), (2260, 893377), (2740, 736873), (6521, 309620), (13042, 154810), (15481, 130420), (26084, 77405), (30962, 65210), (32605, 61924)]