20004190

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 37136160

約数和(自身を除く): 17131970

約数列:

[1, 2, 5, 10, 67, 73, 134, 146, 335, 365, 409, 670, 730, 818, 2045, 4090, 4891, 9782, 24455, 27403, 29857, 48910, 54806, 59714, 137015, 149285, 274030, 298570, 2000419, 4000838, 10002095, 20004190]

約数ペア:

[(1, 20004190), (2, 10002095), (5, 4000838), (10, 2000419), (67, 298570), (73, 274030), (134, 149285), (146, 137015), (335, 59714), (365, 54806), (409, 48910), (670, 29857), (730, 27403), (818, 24455), (2045, 9782), (4090, 4891)]