20254490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 38537856

約数和(自身を除く): 18283366

約数列:

[1, 2, 5, 10, 23, 46, 83, 115, 166, 230, 415, 830, 1061, 1909, 2122, 3818, 5305, 9545, 10610, 19090, 24403, 48806, 88063, 122015, 176126, 244030, 440315, 880630, 2025449, 4050898, 10127245, 20254490]

約数ペア:

[(1, 20254490), (2, 10127245), (5, 4050898), (10, 2025449), (23, 880630), (46, 440315), (83, 244030), (115, 176126), (166, 122015), (230, 88063), (415, 48806), (830, 24403), (1061, 19090), (1909, 10610), (2122, 9545), (3818, 5305)]