20180887905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1\times {\mathrm{30881}}^1$

素因数の和:33201

約数の個数: 32

約数和(自身を含む): 34004787840

約数和(自身を除く): 13823899935

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 2293, 6879, 11465, 30881, 34395, 43567, 92643, 130701, 154405, 217835, 463215, 586739, 653505, 1760217, 2933695, 8801085, 70810133, 212430399, 354050665, 1062151995, 1345392527, 4036177581, 6726962635, 20180887905]

約数ペア:

[(1, 20180887905), (3, 6726962635), (5, 4036177581), (15, 1345392527), (19, 1062151995), (57, 354050665), (95, 212430399), (285, 70810133), (2293, 8801085), (6879, 2933695), (11465, 1760217), (30881, 653505), (34395, 586739), (43567, 463215), (92643, 217835), (130701, 154405)]