20010512

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9547}}^1$

素因数の和:9686

約数の個数: 20

約数和(自身を含む): 39070416

約数和(自身を除く): 19059904

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9547, 19094, 38188, 76376, 152752, 1250657, 2501314, 5002628, 10005256, 20010512]

約数ペア:

[(1, 20010512), (2, 10005256), (4, 5002628), (8, 2501314), (16, 1250657), (131, 152752), (262, 76376), (524, 38188), (1048, 19094), (2096, 9547)]