20575492

素因数分解:

$2^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{929}}^1$

素因数の和:1060

約数の個数: 36

約数和(自身を含む): 42301980

約数和(自身を除く): 21726488

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 452, 791, 929, 1582, 1858, 3164, 3716, 5537, 6503, 11074, 13006, 22148, 26012, 45521, 91042, 104977, 182084, 209954, 419908, 734839, 1469678, 2939356, 5143873, 10287746, 20575492]

約数ペア:

[(1, 20575492), (2, 10287746), (4, 5143873), (7, 2939356), (14, 1469678), (28, 734839), (49, 419908), (98, 209954), (113, 182084), (196, 104977), (226, 91042), (452, 45521), (791, 26012), (929, 22148), (1582, 13006), (1858, 11074), (3164, 6503), (3716, 5537)]