20169911500

素因数分解:

$2^2\times 5^3\times {\mathrm{8161}}^1\times {\mathrm{4943}}^1$

素因数の和:13123

約数の個数: 48

約数和(自身を含む): 44065397376

約数和(自身を除く): 23895485876

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 4943, 8161, 9886, 16322, 19772, 24715, 32644, 40805, 49430, 81610, 98860, 123575, 163220, 204025, 247150, 408050, 494300, 617875, 816100, 1020125, 1235750, 2040250, 2471500, 4080500, 40339823, 80679646, 161359292, 201699115, 403398230, 806796460, 1008495575, 2016991150, 4033982300, 5042477875, 10084955750, 20169911500]

約数ペア:

[(1, 20169911500), (2, 10084955750), (4, 5042477875), (5, 4033982300), (10, 2016991150), (20, 1008495575), (25, 806796460), (50, 403398230), (100, 201699115), (125, 161359292), (250, 80679646), (500, 40339823), (4943, 4080500), (8161, 2471500), (9886, 2040250), (16322, 1235750), (19772, 1020125), (24715, 816100), (32644, 617875), (40805, 494300), (49430, 408050), (81610, 247150), (98860, 204025), (123575, 163220)]