20108265

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13069335

約数列:

[1, 3, 5, 15, 71, 79, 213, 237, 239, 355, 395, 717, 1065, 1185, 1195, 3585, 5609, 16827, 16969, 18881, 28045, 50907, 56643, 84135, 84845, 94405, 254535, 283215, 1340551, 4021653, 6702755, 20108265]

約数ペア:

[(1, 20108265), (3, 6702755), (5, 4021653), (15, 1340551), (71, 283215), (79, 254535), (213, 94405), (237, 84845), (239, 84135), (355, 56643), (395, 50907), (717, 28045), (1065, 18881), (1185, 16969), (1195, 16827), (3585, 5609)]