13681940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40241}}^1$

素因数の和:40267

約数の個数: 24

約数和(自身を含む): 30422952

約数和(自身を除く): 16741012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 40241, 80482, 160964, 201205, 402410, 684097, 804820, 1368194, 2736388, 3420485, 6840970, 13681940]

約数ペア:

[(1, 13681940), (2, 6840970), (4, 3420485), (5, 2736388), (10, 1368194), (17, 804820), (20, 684097), (34, 402410), (68, 201205), (85, 160964), (170, 80482), (340, 40241)]