201821467720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{69116941}}^1$

素因数の和:69117025

約数の個数: 32

約数和(自身を含む): 460318833720

約数和(自身を除く): 258497366000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 69116941, 138233882, 276467764, 345584705, 552935528, 691169410, 1382338820, 2764677640, 5045536693, 10091073386, 20182146772, 25227683465, 40364293544, 50455366930, 100910733860, 201821467720]

約数ペア:

[(1, 201821467720), (2, 100910733860), (4, 50455366930), (5, 40364293544), (8, 25227683465), (10, 20182146772), (20, 10091073386), (40, 5045536693), (73, 2764677640), (146, 1382338820), (292, 691169410), (365, 552935528), (584, 345584705), (730, 276467764), (1460, 138233882), (2920, 69116941)]