20475432

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2609}}^1$

素因数の和:2730

約数の個数: 48

約数和(自身を含む): 55984500

約数和(自身を除く): 35509068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2609, 2616, 3924, 5218, 7827, 7848, 10436, 15654, 20872, 23481, 31308, 46962, 62616, 93924, 187848, 284381, 568762, 853143, 1137524, 1706286, 2275048, 2559429, 3412572, 5118858, 6825144, 10237716, 20475432]

約数ペア:

[(1, 20475432), (2, 10237716), (3, 6825144), (4, 5118858), (6, 3412572), (8, 2559429), (9, 2275048), (12, 1706286), (18, 1137524), (24, 853143), (36, 568762), (72, 284381), (109, 187848), (218, 93924), (327, 62616), (436, 46962), (654, 31308), (872, 23481), (981, 20872), (1308, 15654), (1962, 10436), (2609, 7848), (2616, 7827), (3924, 5218)]