20120196100

素因数分解:

$2^2\times 5^2\times {\mathrm{201201961}}^1$

素因数の和:201201975

約数の個数: 18

約数和(自身を含む): 43660825754

約数和(自身を除く): 23540629654

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201201961, 402403922, 804807844, 1006009805, 2012019610, 4024039220, 5030049025, 10060098050, 20120196100]

約数ペア:

[(1, 20120196100), (2, 10060098050), (4, 5030049025), (5, 4024039220), (10, 2012019610), (20, 1006009805), (25, 804807844), (50, 402403922), (100, 201201961)]