20660145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11383}}^1$

素因数の和:11413

約数の個数: 24

約数和(自身を含む): 36337728

約数和(自身を除く): 15677583

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11383, 34149, 56915, 125213, 170745, 375639, 626065, 1377343, 1878195, 4132029, 6886715, 20660145]

約数ペア:

[(1, 20660145), (3, 6886715), (5, 4132029), (11, 1878195), (15, 1377343), (33, 626065), (55, 375639), (121, 170745), (165, 125213), (363, 56915), (605, 34149), (1815, 11383)]