20163555472

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{719}}^1\times {\mathrm{15511}}^1$

素因数の和:16351

約数の個数: 40

約数和(自身を含む): 39469973760

約数和(自身を除く): 19306418288

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 719, 904, 1438, 1808, 2876, 5752, 11504, 15511, 31022, 62044, 81247, 124088, 162494, 248176, 324988, 649976, 1299952, 1752743, 3505486, 7010972, 11152409, 14021944, 22304818, 28043888, 44609636, 89219272, 178438544, 1260222217, 2520444434, 5040888868, 10081777736, 20163555472]

約数ペア:

[(1, 20163555472), (2, 10081777736), (4, 5040888868), (8, 2520444434), (16, 1260222217), (113, 178438544), (226, 89219272), (452, 44609636), (719, 28043888), (904, 22304818), (1438, 14021944), (1808, 11152409), (2876, 7010972), (5752, 3505486), (11504, 1752743), (15511, 1299952), (31022, 649976), (62044, 324988), (81247, 248176), (124088, 162494)]