20484984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65657}}^1$

素因数の和:65679

約数の個数: 32

約数和(自身を含む): 55152720

約数和(自身を除く): 34667736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65657, 131314, 196971, 262628, 393942, 525256, 787884, 853541, 1575768, 1707082, 2560623, 3414164, 5121246, 6828328, 10242492, 20484984]

約数ペア:

[(1, 20484984), (2, 10242492), (3, 6828328), (4, 5121246), (6, 3414164), (8, 2560623), (12, 1707082), (13, 1575768), (24, 853541), (26, 787884), (39, 525256), (52, 393942), (78, 262628), (104, 196971), (156, 131314), (312, 65657)]