20651796752

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{123551}}^1$

素因数の和:123927

約数の個数: 40

約数和(自身を含む): 41426491392

約数和(自身を除く): 20774694640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 337, 496, 674, 1348, 2696, 5392, 10447, 20894, 41788, 83576, 123551, 167152, 247102, 494204, 988408, 1976816, 3830081, 7660162, 15320324, 30640648, 41636687, 61281296, 83273374, 166546748, 333093496, 666186992, 1290737297, 2581474594, 5162949188, 10325898376, 20651796752]

約数ペア:

[(1, 20651796752), (2, 10325898376), (4, 5162949188), (8, 2581474594), (16, 1290737297), (31, 666186992), (62, 333093496), (124, 166546748), (248, 83273374), (337, 61281296), (496, 41636687), (674, 30640648), (1348, 15320324), (2696, 7660162), (5392, 3830081), (10447, 1976816), (20894, 988408), (41788, 494204), (83576, 247102), (123551, 167152)]