20178587538

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2507903}}^1$

素因数の和:2508063

約数の個数: 32

約数和(自身を含む): 45142272000

約数和(自身を除く): 24963684462

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2682, 4023, 8046, 2507903, 5015806, 7523709, 15047418, 22571127, 45142254, 67713381, 135426762, 373677547, 747355094, 1121032641, 2242065282, 3363097923, 6726195846, 10089293769, 20178587538]

約数ペア:

[(1, 20178587538), (2, 10089293769), (3, 6726195846), (6, 3363097923), (9, 2242065282), (18, 1121032641), (27, 747355094), (54, 373677547), (149, 135426762), (298, 67713381), (447, 45142254), (894, 22571127), (1341, 15047418), (2682, 7523709), (4023, 5015806), (8046, 2507903)]