20156164910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{264899}}^1$

素因数の和:266000

約数の個数: 32

約数和(自身を含む): 41502412800

約数和(自身を除く): 21346247890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1087, 2174, 5435, 7609, 10870, 15218, 38045, 76090, 264899, 529798, 1324495, 1854293, 2648990, 3708586, 9271465, 18542930, 287945213, 575890426, 1439726065, 2015616491, 2879452130, 4031232982, 10078082455, 20156164910]

約数ペア:

[(1, 20156164910), (2, 10078082455), (5, 4031232982), (7, 2879452130), (10, 2015616491), (14, 1439726065), (35, 575890426), (70, 287945213), (1087, 18542930), (2174, 9271465), (5435, 3708586), (7609, 2648990), (10870, 1854293), (15218, 1324495), (38045, 529798), (76090, 264899)]