20180655670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{13291}}^1$

素因数の和:13613

約数の個数: 64

約数和(自身を含む): 42109056000

約数和(自身を除く): 21928400330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 199, 218, 398, 545, 763, 995, 1090, 1393, 1526, 1990, 2786, 3815, 6965, 7630, 13291, 13930, 21691, 26582, 43382, 66455, 93037, 108455, 132910, 151837, 186074, 216910, 303674, 465185, 759185, 930370, 1448719, 1518370, 2644909, 2897438, 5289818, 7243595, 10141033, 13224545, 14487190, 18514363, 20282066, 26449090, 37028726, 50705165, 92571815, 101410330, 185143630, 288295081, 576590162, 1441475405, 2018065567, 2882950810, 4036131134, 10090327835, 20180655670]

約数ペア:

[(1, 20180655670), (2, 10090327835), (5, 4036131134), (7, 2882950810), (10, 2018065567), (14, 1441475405), (35, 576590162), (70, 288295081), (109, 185143630), (199, 101410330), (218, 92571815), (398, 50705165), (545, 37028726), (763, 26449090), (995, 20282066), (1090, 18514363), (1393, 14487190), (1526, 13224545), (1990, 10141033), (2786, 7243595), (3815, 5289818), (6965, 2897438), (7630, 2644909), (13291, 1518370), (13930, 1448719), (21691, 930370), (26582, 759185), (43382, 465185), (66455, 303674), (93037, 216910), (108455, 186074), (132910, 151837)]