20946448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1453}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 43811928

約数和(自身を除く): 22865480

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1453, 1802, 2906, 3604, 5812, 7208, 11624, 14416, 23248, 24701, 49402, 77009, 98804, 154018, 197608, 308036, 395216, 616072, 1232144, 1309153, 2618306, 5236612, 10473224, 20946448]

約数ペア:

[(1, 20946448), (2, 10473224), (4, 5236612), (8, 2618306), (16, 1309153), (17, 1232144), (34, 616072), (53, 395216), (68, 308036), (106, 197608), (136, 154018), (212, 98804), (272, 77009), (424, 49402), (848, 24701), (901, 23248), (1453, 14416), (1802, 11624), (2906, 7208), (3604, 5812)]