20139018

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21379}}^1$

素因数の和:21541

約数の個数: 16

約数和(自身を含む): 40536480

約数和(自身を除く): 20397462

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21379, 42758, 64137, 128274, 3356503, 6713006, 10069509, 20139018]

約数ペア:

[(1, 20139018), (2, 10069509), (3, 6713006), (6, 3356503), (157, 128274), (314, 64137), (471, 42758), (942, 21379)]