20851808904

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1776739}}^1$

素因数の和:1776914

約数の個数: 48

約数和(自身を含む): 56820145200

約数和(自身を除く): 35968336296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1956, 2934, 3912, 5868, 11736, 1776739, 3553478, 5330217, 7106956, 10660434, 14213912, 15990651, 21320868, 31981302, 42641736, 63962604, 127925208, 289608457, 579216914, 868825371, 1158433828, 1737650742, 2316867656, 2606476113, 3475301484, 5212952226, 6950602968, 10425904452, 20851808904]

約数ペア:

[(1, 20851808904), (2, 10425904452), (3, 6950602968), (4, 5212952226), (6, 3475301484), (8, 2606476113), (9, 2316867656), (12, 1737650742), (18, 1158433828), (24, 868825371), (36, 579216914), (72, 289608457), (163, 127925208), (326, 63962604), (489, 42641736), (652, 31981302), (978, 21320868), (1304, 15990651), (1467, 14213912), (1956, 10660434), (2934, 7106956), (3912, 5330217), (5868, 3553478), (11736, 1776739)]