20280495326

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1252037}}^1$

素因数の和:1252148

約数の個数: 32

約数和(自身を含む): 37861629120

約数和(自身を除く): 17581133794

約数列:

[1, 2, 7, 13, 14, 26, 89, 91, 178, 182, 623, 1157, 1246, 2314, 8099, 16198, 1252037, 2504074, 8764259, 16276481, 17528518, 32552962, 111431293, 113935367, 222862586, 227870734, 780019051, 1448606809, 1560038102, 2897213618, 10140247663, 20280495326]

約数ペア:

[(1, 20280495326), (2, 10140247663), (7, 2897213618), (13, 1560038102), (14, 1448606809), (26, 780019051), (89, 227870734), (91, 222862586), (178, 113935367), (182, 111431293), (623, 32552962), (1157, 17528518), (1246, 16276481), (2314, 8764259), (8099, 2504074), (16198, 1252037)]