20656075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 28855296

約数和(自身を除く): 8199221

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2423, 8525, 12115, 26653, 60575, 75113, 133265, 375565, 666325, 826243, 1877825, 4131215, 20656075]

約数ペア:

[(1, 20656075), (5, 4131215), (11, 1877825), (25, 826243), (31, 666325), (55, 375565), (155, 133265), (275, 75113), (341, 60575), (775, 26653), (1705, 12115), (2423, 8525)]