20218551416

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11646631}}^1$

素因数の和:11646675

約数の個数: 32

約数和(自身を含む): 44723066880

約数和(自身を除く): 24504515464

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11646631, 23293262, 46586524, 81526417, 93173048, 163052834, 326105668, 361045561, 652211336, 722091122, 1444182244, 2527318927, 2888364488, 5054637854, 10109275708, 20218551416]

約数ペア:

[(1, 20218551416), (2, 10109275708), (4, 5054637854), (7, 2888364488), (8, 2527318927), (14, 1444182244), (28, 722091122), (31, 652211336), (56, 361045561), (62, 326105668), (124, 163052834), (217, 93173048), (248, 81526417), (434, 46586524), (868, 23293262), (1736, 11646631)]