17920112

素因数分解:

$2^4\times 7^1\times {\mathrm{160001}}^1$

素因数の和:160016

約数の個数: 20

約数和(自身を含む): 39680496

約数和(自身を除く): 21760384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 160001, 320002, 640004, 1120007, 1280008, 2240014, 2560016, 4480028, 8960056, 17920112]

約数ペア:

[(1, 17920112), (2, 8960056), (4, 4480028), (7, 2560016), (8, 2240014), (14, 1280008), (16, 1120007), (28, 640004), (56, 320002), (112, 160001)]