20459490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681983}}^1$

素因数の和:681993

約数の個数: 16

約数和(自身を含む): 49102848

約数和(自身を除く): 28643358

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681983, 1363966, 2045949, 3409915, 4091898, 6819830, 10229745, 20459490]

約数ペア:

[(1, 20459490), (2, 10229745), (3, 6819830), (5, 4091898), (6, 3409915), (10, 2045949), (15, 1363966), (30, 681983)]