20102503715

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{29027}}^1$

素因数の和:29507

約数の個数: 32

約数和(自身を含む): 28223576064

約数和(自身を除く): 8121072349

約数列:

[1, 5, 7, 35, 47, 235, 329, 421, 1645, 2105, 2947, 14735, 19787, 29027, 98935, 138509, 145135, 203189, 692545, 1015945, 1364269, 6821345, 9549883, 12220367, 47749415, 61101835, 85542569, 427712845, 574357249, 2871786245, 4020500743, 20102503715]

約数ペア:

[(1, 20102503715), (5, 4020500743), (7, 2871786245), (35, 574357249), (47, 427712845), (235, 85542569), (329, 61101835), (421, 47749415), (1645, 12220367), (2105, 9549883), (2947, 6821345), (14735, 1364269), (19787, 1015945), (29027, 692545), (98935, 203189), (138509, 145135)]