20178032835

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{331249}}^1$

素因数の和:331419

約数の個数: 32

約数和(自身を含む): 33580800000

約数和(自身を除く): 13402767165

約数列:

[1, 3, 5, 15, 31, 93, 131, 155, 393, 465, 655, 1965, 4061, 12183, 20305, 60915, 331249, 993747, 1656245, 4968735, 10268719, 30806157, 43393619, 51343595, 130180857, 154030785, 216968095, 650904285, 1345202189, 4035606567, 6726010945, 20178032835]

約数ペア:

[(1, 20178032835), (3, 6726010945), (5, 4035606567), (15, 1345202189), (31, 650904285), (93, 216968095), (131, 154030785), (155, 130180857), (393, 51343595), (465, 43393619), (655, 30806157), (1965, 10268719), (4061, 4968735), (12183, 1656245), (20305, 993747), (60915, 331249)]