20455862

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 37765440

約数和(自身を除く): 17309578

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1409, 2074, 2818, 7259, 9863, 14518, 19726, 23953, 47906, 85949, 167671, 171898, 335342, 601643, 1203286, 1461133, 2922266, 10227931, 20455862]

約数ペア:

[(1, 20455862), (2, 10227931), (7, 2922266), (14, 1461133), (17, 1203286), (34, 601643), (61, 335342), (119, 171898), (122, 167671), (238, 85949), (427, 47906), (854, 23953), (1037, 19726), (1409, 14518), (2074, 9863), (2818, 7259)]