2021820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 5849088

約数和(自身を除く): 3827268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1087, 1860, 2174, 3261, 4348, 5435, 6522, 10870, 13044, 16305, 21740, 32610, 33697, 65220, 67394, 101091, 134788, 168485, 202182, 336970, 404364, 505455, 673940, 1010910, 2021820]

約数ペア:

[(1, 2021820), (2, 1010910), (3, 673940), (4, 505455), (5, 404364), (6, 336970), (10, 202182), (12, 168485), (15, 134788), (20, 101091), (30, 67394), (31, 65220), (60, 33697), (62, 32610), (93, 21740), (124, 16305), (155, 13044), (186, 10870), (310, 6522), (372, 5435), (465, 4348), (620, 3261), (930, 2174), (1087, 1860)]