20215480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6089}}^1$

素因数の和:6183

約数の個数: 32

約数和(自身を含む): 46040400

約数和(自身を除く): 25824920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 6089, 12178, 24356, 30445, 48712, 60890, 121780, 243560, 505387, 1010774, 2021548, 2526935, 4043096, 5053870, 10107740, 20215480]

約数ペア:

[(1, 20215480), (2, 10107740), (4, 5053870), (5, 4043096), (8, 2526935), (10, 2021548), (20, 1010774), (40, 505387), (83, 243560), (166, 121780), (332, 60890), (415, 48712), (664, 30445), (830, 24356), (1660, 12178), (3320, 6089)]