20713360

素因数分解:

$2^4\times 5^1\times {\mathrm{258917}}^1$

素因数の和:258930

約数の個数: 20

約数和(自身を含む): 48158748

約数和(自身を除く): 27445388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 258917, 517834, 1035668, 1294585, 2071336, 2589170, 4142672, 5178340, 10356680, 20713360]

約数ペア:

[(1, 20713360), (2, 10356680), (4, 5178340), (5, 4142672), (8, 2589170), (10, 2071336), (16, 1294585), (20, 1035668), (40, 517834), (80, 258917)]