20129992743

素因数分解:

$3^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{778693}}^1$

素因数の和:779934

約数の個数: 16

約数和(自身を含む): 30699232256

約数和(自身を除く): 10569239513

約数列:

[1, 3, 7, 21, 1231, 3693, 8617, 25851, 778693, 2336079, 5450851, 16352553, 958571083, 2875713249, 6709997581, 20129992743]

約数ペア:

[(1, 20129992743), (3, 6709997581), (7, 2875713249), (21, 958571083), (1231, 16352553), (3693, 5450851), (8617, 2336079), (25851, 778693)]