20136420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111869}}^1$

素因数の和:111884

約数の個数: 36

約数和(自身を含む): 61081020

約数和(自身を除く): 40944600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111869, 223738, 335607, 447476, 559345, 671214, 1006821, 1118690, 1342428, 1678035, 2013642, 2237380, 3356070, 4027284, 5034105, 6712140, 10068210, 20136420]

約数ペア:

[(1, 20136420), (2, 10068210), (3, 6712140), (4, 5034105), (5, 4027284), (6, 3356070), (9, 2237380), (10, 2013642), (12, 1678035), (15, 1342428), (18, 1118690), (20, 1006821), (30, 671214), (36, 559345), (45, 447476), (60, 335607), (90, 223738), (180, 111869)]