20807906

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 16827934

約数列:

[1, 2, 7, 14, 29, 53, 58, 106, 203, 371, 406, 742, 967, 1537, 1934, 3074, 6769, 10759, 13538, 21518, 28043, 51251, 56086, 102502, 196301, 358757, 392602, 717514, 1486279, 2972558, 10403953, 20807906]

約数ペア:

[(1, 20807906), (2, 10403953), (7, 2972558), (14, 1486279), (29, 717514), (53, 392602), (58, 358757), (106, 196301), (203, 102502), (371, 56086), (406, 51251), (742, 28043), (967, 21518), (1537, 13538), (1934, 10759), (3074, 6769)]