20512140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31079}}^1$

素因数の和:31102

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 42145140

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, 31079, 62158, 93237, 124316, 155395, 186474, 310790, 341869, 372948, 466185, 621580, 683738, 932370, 1025607, 1367476, 1709345, 1864740, 2051214, 3418690, 4102428, 5128035, 6837380, 10256070, 20512140]

約数ペア:

[(1, 20512140), (2, 10256070), (3, 6837380), (4, 5128035), (5, 4102428), (6, 3418690), (10, 2051214), (11, 1864740), (12, 1709345), (15, 1367476), (20, 1025607), (22, 932370), (30, 683738), (33, 621580), (44, 466185), (55, 372948), (60, 341869), (66, 310790), (110, 186474), (132, 155395), (165, 124316), (220, 93237), (330, 62158), (660, 31079)]