20830316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{787}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 39384240

約数和(自身を除く): 18553924

約数列:

[1, 2, 4, 13, 26, 52, 509, 787, 1018, 1574, 2036, 3148, 6617, 10231, 13234, 20462, 26468, 40924, 400583, 801166, 1602332, 5207579, 10415158, 20830316]

約数ペア:

[(1, 20830316), (2, 10415158), (4, 5207579), (13, 1602332), (26, 801166), (52, 400583), (509, 40924), (787, 26468), (1018, 20462), (1574, 13234), (2036, 10231), (3148, 6617)]