20166368

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22290592

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 116, 124, 232, 248, 464, 496, 701, 899, 928, 992, 1402, 1798, 2804, 3596, 5608, 7192, 11216, 14384, 20329, 21731, 22432, 28768, 40658, 43462, 81316, 86924, 162632, 173848, 325264, 347696, 630199, 650528, 695392, 1260398, 2520796, 5041592, 10083184, 20166368]

約数ペア:

[(1, 20166368), (2, 10083184), (4, 5041592), (8, 2520796), (16, 1260398), (29, 695392), (31, 650528), (32, 630199), (58, 347696), (62, 325264), (116, 173848), (124, 162632), (232, 86924), (248, 81316), (464, 43462), (496, 40658), (701, 28768), (899, 22432), (928, 21731), (992, 20329), (1402, 14384), (1798, 11216), (2804, 7192), (3596, 5608)]