20009010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 55332864

約数和(自身を除く): 35323854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 151, 210, 302, 453, 631, 755, 906, 1057, 1262, 1510, 1893, 2114, 2265, 3155, 3171, 3786, 4417, 4530, 5285, 6310, 6342, 8834, 9465, 10570, 13251, 15855, 18930, 22085, 26502, 31710, 44170, 66255, 95281, 132510, 190562, 285843, 476405, 571686, 666967, 952810, 1333934, 1429215, 2000901, 2858430, 3334835, 4001802, 6669670, 10004505, 20009010]

約数ペア:

[(1, 20009010), (2, 10004505), (3, 6669670), (5, 4001802), (6, 3334835), (7, 2858430), (10, 2000901), (14, 1429215), (15, 1333934), (21, 952810), (30, 666967), (35, 571686), (42, 476405), (70, 285843), (105, 190562), (151, 132510), (210, 95281), (302, 66255), (453, 44170), (631, 31710), (755, 26502), (906, 22085), (1057, 18930), (1262, 15855), (1510, 13251), (1893, 10570), (2114, 9465), (2265, 8834), (3155, 6342), (3171, 6310), (3786, 5285), (4417, 4530)]