20984702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13469}}^1$

素因数の和:13531

約数の個数: 16

約数和(自身を含む): 33944400

約数和(自身を除く): 12959698

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13469, 26938, 255911, 511822, 552229, 1104458, 10492351, 20984702]

約数ペア:

[(1, 20984702), (2, 10492351), (19, 1104458), (38, 552229), (41, 511822), (82, 255911), (779, 26938), (1558, 13469)]