20158190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5347}}^1$

素因数の和:5396

約数の個数: 32

約数和(自身を含む): 40430880

約数和(自身を除く): 20272690

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5347, 10694, 26735, 53470, 69511, 139022, 155063, 310126, 347555, 695110, 775315, 1550630, 2015819, 4031638, 10079095, 20158190]

約数ペア:

[(1, 20158190), (2, 10079095), (5, 4031638), (10, 2015819), (13, 1550630), (26, 775315), (29, 695110), (58, 347555), (65, 310126), (130, 155063), (145, 139022), (290, 69511), (377, 53470), (754, 26735), (1885, 10694), (3770, 5347)]