20915358

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{8693}}^1$

素因数の和:9099

約数の個数: 16

約数和(自身を含む): 41939856

約数和(自身を除く): 21024498

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 8693, 17386, 26079, 52158, 3485893, 6971786, 10457679, 20915358]

約数ペア:

[(1, 20915358), (2, 10457679), (3, 6971786), (6, 3485893), (401, 52158), (802, 26079), (1203, 17386), (2406, 8693)]