20149415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28181}}^1$

素因数の和:28210

約数の個数: 16

約数和(自身を含む): 28407456

約数和(自身を除く): 8258041

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28181, 140905, 309991, 366353, 1549955, 1831765, 4029883, 20149415]

約数ペア:

[(1, 20149415), (5, 4029883), (11, 1831765), (13, 1549955), (55, 366353), (65, 309991), (143, 140905), (715, 28181)]