20222220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 59222016

約数和(自身を除く): 38999796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 71, 94, 101, 141, 142, 188, 202, 213, 235, 282, 284, 303, 355, 404, 426, 470, 505, 564, 606, 705, 710, 852, 940, 1010, 1065, 1212, 1410, 1420, 1515, 2020, 2130, 2820, 3030, 3337, 4260, 4747, 6060, 6674, 7171, 9494, 10011, 13348, 14241, 14342, 16685, 18988, 20022, 21513, 23735, 28482, 28684, 33370, 35855, 40044, 43026, 47470, 50055, 56964, 66740, 71205, 71710, 86052, 94940, 100110, 107565, 142410, 143420, 200220, 215130, 284820, 337037, 430260, 674074, 1011111, 1348148, 1685185, 2022222, 3370370, 4044444, 5055555, 6740740, 10111110, 20222220]

約数ペア:

[(1, 20222220), (2, 10111110), (3, 6740740), (4, 5055555), (5, 4044444), (6, 3370370), (10, 2022222), (12, 1685185), (15, 1348148), (20, 1011111), (30, 674074), (47, 430260), (60, 337037), (71, 284820), (94, 215130), (101, 200220), (141, 143420), (142, 142410), (188, 107565), (202, 100110), (213, 94940), (235, 86052), (282, 71710), (284, 71205), (303, 66740), (355, 56964), (404, 50055), (426, 47470), (470, 43026), (505, 40044), (564, 35855), (606, 33370), (705, 28684), (710, 28482), (852, 23735), (940, 21513), (1010, 20022), (1065, 18988), (1212, 16685), (1410, 14342), (1420, 14241), (1515, 13348), (2020, 10011), (2130, 9494), (2820, 7171), (3030, 6674), (3337, 6060), (4260, 4747)]