20437024

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 42431256

約数和(自身を除く): 21994232

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 421, 592, 656, 842, 1184, 1312, 1517, 1684, 3034, 3368, 6068, 6736, 12136, 13472, 15577, 17261, 24272, 31154, 34522, 48544, 62308, 69044, 124616, 138088, 249232, 276176, 498464, 552352, 638657, 1277314, 2554628, 5109256, 10218512, 20437024]

約数ペア:

[(1, 20437024), (2, 10218512), (4, 5109256), (8, 2554628), (16, 1277314), (32, 638657), (37, 552352), (41, 498464), (74, 276176), (82, 249232), (148, 138088), (164, 124616), (296, 69044), (328, 62308), (421, 48544), (592, 34522), (656, 31154), (842, 24272), (1184, 17261), (1312, 15577), (1517, 13472), (1684, 12136), (3034, 6736), (3368, 6068)]