20279830

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49463}}^1$

素因数の和:49511

約数の個数: 16

約数和(自身を含む): 37394784

約数和(自身を除く): 17114954

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49463, 98926, 247315, 494630, 2027983, 4055966, 10139915, 20279830]

約数ペア:

[(1, 20279830), (2, 10139915), (5, 4055966), (10, 2027983), (41, 494630), (82, 247315), (205, 98926), (410, 49463)]