20350876

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 60

約数和(自身を含む): 45017672

約数和(自身を除く): 24666796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 163, 182, 196, 326, 343, 364, 637, 652, 686, 1141, 1274, 1372, 2119, 2282, 2401, 2548, 4238, 4459, 4564, 4802, 7987, 8476, 8918, 9604, 14833, 15974, 17836, 29666, 31213, 31948, 55909, 59332, 62426, 103831, 111818, 124852, 207662, 223636, 391363, 415324, 726817, 782726, 1453634, 1565452, 2907268, 5087719, 10175438, 20350876]

約数ペア:

[(1, 20350876), (2, 10175438), (4, 5087719), (7, 2907268), (13, 1565452), (14, 1453634), (26, 782726), (28, 726817), (49, 415324), (52, 391363), (91, 223636), (98, 207662), (163, 124852), (182, 111818), (196, 103831), (326, 62426), (343, 59332), (364, 55909), (637, 31948), (652, 31213), (686, 29666), (1141, 17836), (1274, 15974), (1372, 14833), (2119, 9604), (2282, 8918), (2401, 8476), (2548, 7987), (4238, 4802), (4459, 4564)]