20155376

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 40269744

約数和(自身を除く): 20114368

約数列:

[1, 2, 4, 8, 16, 61, 107, 122, 193, 214, 244, 386, 428, 488, 772, 856, 976, 1544, 1712, 3088, 6527, 11773, 13054, 20651, 23546, 26108, 41302, 47092, 52216, 82604, 94184, 104432, 165208, 188368, 330416, 1259711, 2519422, 5038844, 10077688, 20155376]

約数ペア:

[(1, 20155376), (2, 10077688), (4, 5038844), (8, 2519422), (16, 1259711), (61, 330416), (107, 188368), (122, 165208), (193, 104432), (214, 94184), (244, 82604), (386, 52216), (428, 47092), (488, 41302), (772, 26108), (856, 23546), (976, 20651), (1544, 13054), (1712, 11773), (3088, 6527)]