20526952

素因数分解:

$2^3\times {\mathrm{71}}^2\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 39114450

約数和(自身を除く): 18587498

約数列:

[1, 2, 4, 8, 71, 142, 284, 509, 568, 1018, 2036, 4072, 5041, 10082, 20164, 36139, 40328, 72278, 144556, 289112, 2565869, 5131738, 10263476, 20526952]

約数ペア:

[(1, 20526952), (2, 10263476), (4, 5131738), (8, 2565869), (71, 289112), (142, 144556), (284, 72278), (509, 40328), (568, 36139), (1018, 20164), (2036, 10082), (4072, 5041)]