20438715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11261}}^1$

素因数の和:11291

約数の個数: 24

約数和(自身を含む): 35948304

約数和(自身を除く): 15509589

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11261, 33783, 56305, 123871, 168915, 371613, 619355, 1362581, 1858065, 4087743, 6812905, 20438715]

約数ペア:

[(1, 20438715), (3, 6812905), (5, 4087743), (11, 1858065), (15, 1362581), (33, 619355), (55, 371613), (121, 168915), (165, 123871), (363, 56305), (605, 33783), (1815, 11261)]