20121986725

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{9697343}}^1$

素因数の和:9697436

約数の個数: 12

約数和(自身を含む): 25251883776

約数和(自身を除く): 5129897051

約数列:

[1, 5, 25, 83, 415, 2075, 9697343, 48486715, 242433575, 804879469, 4024397345, 20121986725]

約数ペア:

[(1, 20121986725), (5, 4024397345), (25, 804879469), (83, 242433575), (415, 48486715), (2075, 9697343)]