20249355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6221}}^1$

素因数の和:6267

約数の個数: 32

約数和(自身を含む): 38227968

約数和(自身を除く): 17978613

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6221, 18663, 31105, 43547, 93315, 130641, 192851, 217735, 578553, 653205, 964255, 1349957, 2892765, 4049871, 6749785, 20249355]

約数ペア:

[(1, 20249355), (3, 6749785), (5, 4049871), (7, 2892765), (15, 1349957), (21, 964255), (31, 653205), (35, 578553), (93, 217735), (105, 192851), (155, 130641), (217, 93315), (465, 43547), (651, 31105), (1085, 18663), (3255, 6221)]