20522961

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4381

約数の個数: 24

約数和(自身を含む): 32408064

約数和(自身を除く): 11885103

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4327, 4743, 12981, 38943, 73559, 134137, 220677, 402411, 662031, 1207233, 2280329, 6840987, 20522961]

約数ペア:

[(1, 20522961), (3, 6840987), (9, 2280329), (17, 1207233), (31, 662031), (51, 402411), (93, 220677), (153, 134137), (279, 73559), (527, 38943), (1581, 12981), (4327, 4743)]