20369655

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26627}}^1$

素因数の和:26655

約数の個数: 24

約数和(自身を含む): 37385712

約数和(自身を除く): 17016057

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26627, 79881, 133135, 239643, 399405, 452659, 1198215, 1357977, 2263295, 4073931, 6789885, 20369655]

約数ペア:

[(1, 20369655), (3, 6789885), (5, 4073931), (9, 2263295), (15, 1357977), (17, 1198215), (45, 452659), (51, 399405), (85, 239643), (153, 133135), (255, 79881), (765, 26627)]