16431940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117371}}^1$

素因数の和:117387

約数の個数: 24

約数和(自身を含む): 39436992

約数和(自身を除く): 23005052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117371, 234742, 469484, 586855, 821597, 1173710, 1643194, 2347420, 3286388, 4107985, 8215970, 16431940]

約数ペア:

[(1, 16431940), (2, 8215970), (4, 4107985), (5, 3286388), (7, 2347420), (10, 1643194), (14, 1173710), (20, 821597), (28, 586855), (35, 469484), (70, 234742), (140, 117371)]