20541164

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 43606080

約数和(自身を除く): 23064916

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 574, 617, 812, 1148, 1189, 1234, 2378, 2468, 4319, 4756, 8323, 8638, 16646, 17276, 17893, 25297, 33292, 35786, 50594, 71572, 101188, 125251, 177079, 250502, 354158, 501004, 708316, 733613, 1467226, 2934452, 5135291, 10270582, 20541164]

約数ペア:

[(1, 20541164), (2, 10270582), (4, 5135291), (7, 2934452), (14, 1467226), (28, 733613), (29, 708316), (41, 501004), (58, 354158), (82, 250502), (116, 177079), (164, 125251), (203, 101188), (287, 71572), (406, 50594), (574, 35786), (617, 33292), (812, 25297), (1148, 17893), (1189, 17276), (1234, 16646), (2378, 8638), (2468, 8323), (4319, 4756)]