20341340

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5879}}^1$

素因数の和:6061

約数の個数: 24

約数和(自身を含む): 42971040

約数和(自身を除く): 22629700

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5879, 11758, 23516, 29395, 58790, 117580, 1017067, 2034134, 4068268, 5085335, 10170670, 20341340]

約数ペア:

[(1, 20341340), (2, 10170670), (4, 5085335), (5, 4068268), (10, 2034134), (20, 1017067), (173, 117580), (346, 58790), (692, 29395), (865, 23516), (1730, 11758), (3460, 5879)]