20474998

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:687

約数の個数: 16

約数和(自身を含む): 31158864

約数和(自身を除く): 10683866

約数列:

[1, 2, 157, 197, 314, 331, 394, 662, 30929, 51967, 61858, 65207, 103934, 130414, 10237499, 20474998]

約数ペア:

[(1, 20474998), (2, 10237499), (157, 130414), (197, 103934), (314, 65207), (331, 61858), (394, 51967), (662, 30929)]