20045618

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:554

約数の個数: 24

約数和(自身を含む): 32419200

約数和(自身を除く): 12373582

約数列:

[1, 2, 17, 34, 79, 158, 289, 439, 578, 878, 1343, 2686, 7463, 14926, 22831, 34681, 45662, 69362, 126871, 253742, 589577, 1179154, 10022809, 20045618]

約数ペア:

[(1, 20045618), (2, 10022809), (17, 1179154), (34, 589577), (79, 253742), (158, 126871), (289, 69362), (439, 45662), (578, 34681), (878, 22831), (1343, 14926), (2686, 7463)]