20533743

素因数分解:

$3^7\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 31684800

約数和(自身を除く): 11151057

約数列:

[1, 3, 9, 27, 41, 81, 123, 229, 243, 369, 687, 729, 1107, 2061, 2187, 3321, 6183, 9389, 9963, 18549, 28167, 29889, 55647, 84501, 89667, 166941, 253503, 500823, 760509, 2281527, 6844581, 20533743]

約数ペア:

[(1, 20533743), (3, 6844581), (9, 2281527), (27, 760509), (41, 500823), (81, 253503), (123, 166941), (229, 89667), (243, 84501), (369, 55647), (687, 29889), (729, 28167), (1107, 18549), (2061, 9963), (2187, 9389), (3321, 6183)]