20480432

素因数分解:

$2^4\times 7^2\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:346

約数の個数: 60

約数和(自身を含む): 46733616

約数和(自身を除く): 26253184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 151, 173, 196, 302, 346, 392, 604, 692, 784, 1057, 1208, 1211, 1384, 2114, 2416, 2422, 2768, 4228, 4844, 7399, 8456, 8477, 9688, 14798, 16912, 16954, 19376, 26123, 29596, 33908, 52246, 59192, 67816, 104492, 118384, 135632, 182861, 208984, 365722, 417968, 731444, 1280027, 1462888, 2560054, 2925776, 5120108, 10240216, 20480432]

約数ペア:

[(1, 20480432), (2, 10240216), (4, 5120108), (7, 2925776), (8, 2560054), (14, 1462888), (16, 1280027), (28, 731444), (49, 417968), (56, 365722), (98, 208984), (112, 182861), (151, 135632), (173, 118384), (196, 104492), (302, 67816), (346, 59192), (392, 52246), (604, 33908), (692, 29596), (784, 26123), (1057, 19376), (1208, 16954), (1211, 16912), (1384, 14798), (2114, 9688), (2416, 8477), (2422, 8456), (2768, 7399), (4228, 4844)]