20545473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5431}}^1$

素因数の和:5544

約数の個数: 16

約数和(自身を含む): 29810816

約数和(自身を除く): 9265343

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5431, 16293, 70603, 211809, 526807, 1580421, 6848491, 20545473]

約数ペア:

[(1, 20545473), (3, 6848491), (13, 1580421), (39, 526807), (97, 211809), (291, 70603), (1261, 16293), (3783, 5431)]