20655190

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5393}}^1$

素因数の和:5783

約数の個数: 16

約数和(自身を含む): 37283328

約数和(自身を除く): 16628138

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 5393, 10786, 26965, 53930, 2065519, 4131038, 10327595, 20655190]

約数ペア:

[(1, 20655190), (2, 10327595), (5, 4131038), (10, 2065519), (383, 53930), (766, 26965), (1915, 10786), (3830, 5393)]