20839605

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5813}}^1$

素因数の和:6060

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12649035

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5813, 17439, 29065, 87195, 1389307, 4167921, 6946535, 20839605]

約数ペア:

[(1, 20839605), (3, 6946535), (5, 4167921), (15, 1389307), (239, 87195), (717, 29065), (1195, 17439), (3585, 5813)]