20853837151

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{17491}}^1$

素因数の和:17791

約数の個数: 32

約数和(自身を含む): 25934059008

約数和(自身を除く): 5080221857

約数列:

[1, 7, 17, 43, 119, 233, 301, 731, 1631, 3961, 5117, 10019, 17491, 27727, 70133, 122437, 170323, 297347, 752113, 1192261, 2081429, 4075403, 5264791, 12785921, 28527821, 69281851, 89501447, 175242329, 484972957, 1226696303, 2979119593, 20853837151]

約数ペア:

[(1, 20853837151), (7, 2979119593), (17, 1226696303), (43, 484972957), (119, 175242329), (233, 89501447), (301, 69281851), (731, 28527821), (1631, 12785921), (3961, 5264791), (5117, 4075403), (10019, 2081429), (17491, 1192261), (27727, 752113), (70133, 297347), (122437, 170323)]