20145015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40697}}^1$

素因数の和:40719

約数の個数: 24

約数和(自身を含む): 38093328

約数和(自身を除く): 17948313

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40697, 122091, 203485, 366273, 447667, 610455, 1343001, 1831365, 2238335, 4029003, 6715005, 20145015]

約数ペア:

[(1, 20145015), (3, 6715005), (5, 4029003), (9, 2238335), (11, 1831365), (15, 1343001), (33, 610455), (45, 447667), (55, 366273), (99, 203485), (165, 122091), (495, 40697)]