20168064920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29658919}}^1$

素因数の和:29658947

約数の個数: 32

約数和(自身を含む): 48047450400

約数和(自身を除く): 27879385480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29658919, 59317838, 118635676, 148294595, 237271352, 296589190, 504201623, 593178380, 1008403246, 1186356760, 2016806492, 2521008115, 4033612984, 5042016230, 10084032460, 20168064920]

約数ペア:

[(1, 20168064920), (2, 10084032460), (4, 5042016230), (5, 4033612984), (8, 2521008115), (10, 2016806492), (17, 1186356760), (20, 1008403246), (34, 593178380), (40, 504201623), (68, 296589190), (85, 237271352), (136, 148294595), (170, 118635676), (340, 59317838), (680, 29658919)]