20810132

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 22856428

約数列:

[1, 2, 4, 7, 14, 28, 37, 53, 74, 106, 148, 212, 259, 371, 379, 518, 742, 758, 1036, 1484, 1516, 1961, 2653, 3922, 5306, 7844, 10612, 13727, 14023, 20087, 27454, 28046, 40174, 54908, 56092, 80348, 98161, 140609, 196322, 281218, 392644, 562436, 743219, 1486438, 2972876, 5202533, 10405066, 20810132]

約数ペア:

[(1, 20810132), (2, 10405066), (4, 5202533), (7, 2972876), (14, 1486438), (28, 743219), (37, 562436), (53, 392644), (74, 281218), (106, 196322), (148, 140609), (212, 98161), (259, 80348), (371, 56092), (379, 54908), (518, 40174), (742, 28046), (758, 27454), (1036, 20087), (1484, 14023), (1516, 13727), (1961, 10612), (2653, 7844), (3922, 5306)]