20538403715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1\times {\mathrm{209929}}^1$

素因数の和:211102

約数の個数: 16

約数和(自身を含む): 26118650880

約数和(自身を除く): 5580247165

約数列:

[1, 5, 17, 85, 1151, 5755, 19567, 97835, 209929, 1049645, 3568793, 17843965, 241628279, 1208141395, 4107680743, 20538403715]

約数ペア:

[(1, 20538403715), (5, 4107680743), (17, 1208141395), (85, 241628279), (1151, 17843965), (5755, 3568793), (19567, 1049645), (97835, 209929)]