20854448715

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1\times {\mathrm{23957}}^1$

素因数の和:24539

約数の個数: 32

約数和(自身を含む): 33699131136

約数和(自身を除く): 12844682421

約数列:

[1, 3, 5, 15, 131, 393, 443, 655, 1329, 1965, 2215, 6645, 23957, 58033, 71871, 119785, 174099, 290165, 359355, 870495, 3138367, 9415101, 10612951, 15691835, 31838853, 47075505, 53064755, 159194265, 1390296581, 4170889743, 6951482905, 20854448715]

約数ペア:

[(1, 20854448715), (3, 6951482905), (5, 4170889743), (15, 1390296581), (131, 159194265), (393, 53064755), (443, 47075505), (655, 31838853), (1329, 15691835), (1965, 10612951), (2215, 9415101), (6645, 3138367), (23957, 870495), (58033, 359355), (71871, 290165), (119785, 174099)]