20983858

素因数分解:

$2^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{773}}^1$

素因数の和:1066

約数の個数: 24

約数和(自身を含む): 36794412

約数和(自身を除く): 15810554

約数列:

[1, 2, 7, 14, 49, 98, 277, 554, 773, 1546, 1939, 3878, 5411, 10822, 13573, 27146, 37877, 75754, 214121, 428242, 1498847, 2997694, 10491929, 20983858]

約数ペア:

[(1, 20983858), (2, 10491929), (7, 2997694), (14, 1498847), (49, 428242), (98, 214121), (277, 75754), (554, 37877), (773, 27146), (1546, 13573), (1939, 10822), (3878, 5411)]