20349722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8779}}^1$

素因数の和:8861

約数の個数: 16

約数和(自身を含む): 32661600

約数和(自身を除く): 12311878

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8779, 17558, 166801, 333602, 535519, 1071038, 10174861, 20349722]

約数ペア:

[(1, 20349722), (2, 10174861), (19, 1071038), (38, 535519), (61, 333602), (122, 166801), (1159, 17558), (2318, 8779)]