20189914915

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{234181}}^1$

素因数の和:234630

約数の個数: 16

約数和(自身を含む): 24853267296

約数和(自身を除く): 4663352381

約数列:

[1, 5, 43, 215, 401, 2005, 17243, 86215, 234181, 1170905, 10069783, 50348915, 93906581, 469532905, 4037982983, 20189914915]

約数ペア:

[(1, 20189914915), (5, 4037982983), (43, 469532905), (215, 93906581), (401, 50348915), (2005, 10069783), (17243, 1170905), (86215, 234181)]