20499215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 27936384

約数和(自身を除く): 7437169

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1093, 1705, 3751, 5465, 12023, 18755, 33883, 60115, 132253, 169415, 372713, 661265, 1863565, 4099843, 20499215]

約数ペア:

[(1, 20499215), (5, 4099843), (11, 1863565), (31, 661265), (55, 372713), (121, 169415), (155, 132253), (341, 60115), (605, 33883), (1093, 18755), (1705, 12023), (3751, 5465)]