20888021220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31648517}}^1$

素因数の和:31648540

約数の個数: 48

約数和(自身を含む): 63803412288

約数和(自身を除く): 42915391068

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31648517, 63297034, 94945551, 126594068, 158242585, 189891102, 316485170, 348133687, 379782204, 474727755, 632970340, 696267374, 949455510, 1044401061, 1392534748, 1740668435, 1898911020, 2088802122, 3481336870, 4177604244, 5222005305, 6962673740, 10444010610, 20888021220]

約数ペア:

[(1, 20888021220), (2, 10444010610), (3, 6962673740), (4, 5222005305), (5, 4177604244), (6, 3481336870), (10, 2088802122), (11, 1898911020), (12, 1740668435), (15, 1392534748), (20, 1044401061), (22, 949455510), (30, 696267374), (33, 632970340), (44, 474727755), (55, 379782204), (60, 348133687), (66, 316485170), (110, 189891102), (132, 158242585), (165, 126594068), (220, 94945551), (330, 63297034), (660, 31648517)]