20511652

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8231}}^1$

素因数の和:8331

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 20977628

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8231, 16462, 32924, 57617, 115234, 230468, 732559, 1465118, 2930236, 5127913, 10255826, 20511652]

約数ペア:

[(1, 20511652), (2, 10255826), (4, 5127913), (7, 2930236), (14, 1465118), (28, 732559), (89, 230468), (178, 115234), (356, 57617), (623, 32924), (1246, 16462), (2492, 8231)]