20714176405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{1733}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 29416685760

約数和(自身を除く): 8702509355

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 373, 377, 493, 1105, 1733, 1865, 1885, 2465, 4849, 6341, 6409, 8665, 10817, 22529, 24245, 29461, 31705, 32045, 50257, 54085, 82433, 112645, 140621, 147305, 183889, 251285, 382993, 412165, 646409, 653341, 703105, 854369, 919445, 1914965, 2390557, 3232045, 3266705, 4271845, 8403317, 10988953, 11106797, 11952785, 18745861, 42016585, 54944765, 55533985, 93729305, 142856389, 243696193, 318679637, 714281945, 1218480965, 1593398185, 4142835281, 20714176405]

約数ペア:

[(1, 20714176405), (5, 4142835281), (13, 1593398185), (17, 1218480965), (29, 714281945), (65, 318679637), (85, 243696193), (145, 142856389), (221, 93729305), (373, 55533985), (377, 54944765), (493, 42016585), (1105, 18745861), (1733, 11952785), (1865, 11106797), (1885, 10988953), (2465, 8403317), (4849, 4271845), (6341, 3266705), (6409, 3232045), (8665, 2390557), (10817, 1914965), (22529, 919445), (24245, 854369), (29461, 703105), (31705, 653341), (32045, 646409), (50257, 412165), (54085, 382993), (82433, 251285), (112645, 183889), (140621, 147305)]