20217332005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2411}}^1$

素因数の和:2602

約数の個数: 64

約数和(自身を含む): 28008529920

約数和(自身を除く): 7791197915

約数列:

[1, 5, 13, 23, 65, 71, 79, 115, 299, 355, 395, 923, 1027, 1495, 1633, 1817, 2411, 4615, 5135, 5609, 8165, 9085, 12055, 21229, 23621, 28045, 31343, 55453, 72917, 106145, 118105, 129007, 156715, 171181, 190469, 277265, 364585, 645035, 720889, 855905, 952345, 1677091, 2225353, 2476097, 3604445, 3937163, 4380787, 8385455, 11126765, 12380485, 13523299, 19685815, 21903935, 51183119, 56950231, 67616495, 175802887, 255915595, 284751155, 311035877, 879014435, 1555179385, 4043466401, 20217332005]

約数ペア:

[(1, 20217332005), (5, 4043466401), (13, 1555179385), (23, 879014435), (65, 311035877), (71, 284751155), (79, 255915595), (115, 175802887), (299, 67616495), (355, 56950231), (395, 51183119), (923, 21903935), (1027, 19685815), (1495, 13523299), (1633, 12380485), (1817, 11126765), (2411, 8385455), (4615, 4380787), (5135, 3937163), (5609, 3604445), (8165, 2476097), (9085, 2225353), (12055, 1677091), (21229, 952345), (23621, 855905), (28045, 720889), (31343, 645035), (55453, 364585), (72917, 277265), (106145, 190469), (118105, 171181), (129007, 156715)]