20882636

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 37558080

約数和(自身を除く): 16675444

約数列:

[1, 2, 4, 53, 106, 137, 212, 274, 548, 719, 1438, 2876, 7261, 14522, 29044, 38107, 76214, 98503, 152428, 197006, 394012, 5220659, 10441318, 20882636]

約数ペア:

[(1, 20882636), (2, 10441318), (4, 5220659), (53, 394012), (106, 197006), (137, 152428), (212, 98503), (274, 76214), (548, 38107), (719, 29044), (1438, 14522), (2876, 7261)]