20422600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9283}}^1$

素因数の和:9310

約数の個数: 48

約数和(自身を含む): 51804720

約数和(自身を除く): 31382120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9283, 18566, 37132, 46415, 74264, 92830, 102113, 185660, 204226, 232075, 371320, 408452, 464150, 510565, 816904, 928300, 1021130, 1856600, 2042260, 2552825, 4084520, 5105650, 10211300, 20422600]

約数ペア:

[(1, 20422600), (2, 10211300), (4, 5105650), (5, 4084520), (8, 2552825), (10, 2042260), (11, 1856600), (20, 1021130), (22, 928300), (25, 816904), (40, 510565), (44, 464150), (50, 408452), (55, 371320), (88, 232075), (100, 204226), (110, 185660), (200, 102113), (220, 92830), (275, 74264), (440, 46415), (550, 37132), (1100, 18566), (2200, 9283)]