20408900860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60026179}}^1$

素因数の和:60026205

約数の個数: 24

約数和(自身を含む): 45379792080

約数和(自身を除く): 24970891220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60026179, 120052358, 240104716, 300130895, 600261790, 1020445043, 1200523580, 2040890086, 4081780172, 5102225215, 10204450430, 20408900860]

約数ペア:

[(1, 20408900860), (2, 10204450430), (4, 5102225215), (5, 4081780172), (10, 2040890086), (17, 1200523580), (20, 1020445043), (34, 600261790), (68, 300130895), (85, 240104716), (170, 120052358), (340, 60026179)]