20197665

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23623}}^1$

素因数の和:23653

約数の個数: 24

約数和(自身を含む): 36853440

約数和(自身を除く): 16655775

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23623, 70869, 118115, 212607, 354345, 448837, 1063035, 1346511, 2244185, 4039533, 6732555, 20197665]

約数ペア:

[(1, 20197665), (3, 6732555), (5, 4039533), (9, 2244185), (15, 1346511), (19, 1063035), (45, 448837), (57, 354345), (95, 212607), (171, 118115), (285, 70869), (855, 23623)]