20163984920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29652919}}^1$

素因数の和:29652947

約数の個数: 32

約数和(自身を含む): 48037730400

約数和(自身を除く): 27873745480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29652919, 59305838, 118611676, 148264595, 237223352, 296529190, 504099623, 593058380, 1008199246, 1186116760, 2016398492, 2520498115, 4032796984, 5040996230, 10081992460, 20163984920]

約数ペア:

[(1, 20163984920), (2, 10081992460), (4, 5040996230), (5, 4032796984), (8, 2520498115), (10, 2016398492), (17, 1186116760), (20, 1008199246), (34, 593058380), (40, 504099623), (68, 296529190), (85, 237223352), (136, 148264595), (170, 118611676), (340, 59305838), (680, 29652919)]