20187663050

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{277}}^1\times {\mathrm{8053}}^1$

素因数の和:8523

約数の個数: 48

約数和(自身を含む): 37897517112

約数和(自身を除く): 17709854062

約数列:

[1, 2, 5, 10, 25, 50, 181, 277, 362, 554, 905, 1385, 1810, 2770, 4525, 6925, 8053, 9050, 13850, 16106, 40265, 50137, 80530, 100274, 201325, 250685, 402650, 501370, 1253425, 1457593, 2230681, 2506850, 2915186, 4461362, 7287965, 11153405, 14575930, 22306810, 36439825, 55767025, 72879650, 111534050, 403753261, 807506522, 2018766305, 4037532610, 10093831525, 20187663050]

約数ペア:

[(1, 20187663050), (2, 10093831525), (5, 4037532610), (10, 2018766305), (25, 807506522), (50, 403753261), (181, 111534050), (277, 72879650), (362, 55767025), (554, 36439825), (905, 22306810), (1385, 14575930), (1810, 11153405), (2770, 7287965), (4525, 4461362), (6925, 2915186), (8053, 2506850), (9050, 2230681), (13850, 1457593), (16106, 1253425), (40265, 501370), (50137, 402650), (80530, 250685), (100274, 201325)]