20306151

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 30073680

約数和(自身を除く): 9767529

約数列:

[1, 3, 9, 89, 101, 251, 267, 303, 753, 801, 909, 2259, 8989, 22339, 25351, 26967, 67017, 76053, 80901, 201051, 228159, 2256239, 6768717, 20306151]

約数ペア:

[(1, 20306151), (3, 6768717), (9, 2256239), (89, 228159), (101, 201051), (251, 80901), (267, 76053), (303, 67017), (753, 26967), (801, 25351), (909, 22339), (2259, 8989)]