20171149620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2141311}}^1$

素因数の和:2141480

約数の個数: 48

約数和(自身を含む): 56838985728

約数和(自身を除く): 36667836108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 2141311, 4282622, 6423933, 8565244, 10706555, 12847866, 21413110, 25695732, 32119665, 42826220, 64239330, 128478660, 336185827, 672371654, 1008557481, 1344743308, 1680929135, 2017114962, 3361858270, 4034229924, 5042787405, 6723716540, 10085574810, 20171149620]

約数ペア:

[(1, 20171149620), (2, 10085574810), (3, 6723716540), (4, 5042787405), (5, 4034229924), (6, 3361858270), (10, 2017114962), (12, 1680929135), (15, 1344743308), (20, 1008557481), (30, 672371654), (60, 336185827), (157, 128478660), (314, 64239330), (471, 42826220), (628, 32119665), (785, 25695732), (942, 21413110), (1570, 12847866), (1884, 10706555), (2355, 8565244), (3140, 6423933), (4710, 4282622), (9420, 2141311)]