20877804

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2539

約数の個数: 48

約数和(自身を含む): 54835200

約数和(自身を除く): 33957396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2447, 2844, 4266, 4894, 7341, 8532, 9788, 14682, 22023, 29364, 44046, 66069, 88092, 132138, 193313, 264276, 386626, 579939, 773252, 1159878, 1739817, 2319756, 3479634, 5219451, 6959268, 10438902, 20877804]

約数ペア:

[(1, 20877804), (2, 10438902), (3, 6959268), (4, 5219451), (6, 3479634), (9, 2319756), (12, 1739817), (18, 1159878), (27, 773252), (36, 579939), (54, 386626), (79, 264276), (108, 193313), (158, 132138), (237, 88092), (316, 66069), (474, 44046), (711, 29364), (948, 22023), (1422, 14682), (2133, 9788), (2447, 8532), (2844, 7341), (4266, 4894)]