20160890455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{10487}}^1$

素因数の和:10759

約数の個数: 32

約数和(自身を含む): 25453117440

約数和(自身を除く): 5292226985

約数列:

[1, 5, 31, 79, 155, 157, 395, 785, 2449, 4867, 10487, 12245, 12403, 24335, 52435, 62015, 325097, 384493, 828473, 1625485, 1646459, 1922465, 4142365, 8232295, 25682663, 51040229, 128413315, 130070261, 255201145, 650351305, 4032178091, 20160890455]

約数ペア:

[(1, 20160890455), (5, 4032178091), (31, 650351305), (79, 255201145), (155, 130070261), (157, 128413315), (395, 51040229), (785, 25682663), (2449, 8232295), (4867, 4142365), (10487, 1922465), (12245, 1646459), (12403, 1625485), (24335, 828473), (52435, 384493), (62015, 325097)]