20371896

素因数分解:

$2^3\times 3^2\times {\mathrm{523}}^1\times {\mathrm{541}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 55381560

約数和(自身を除く): 35009664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 523, 541, 1046, 1082, 1569, 1623, 2092, 2164, 3138, 3246, 4184, 4328, 4707, 4869, 6276, 6492, 9414, 9738, 12552, 12984, 18828, 19476, 37656, 38952, 282943, 565886, 848829, 1131772, 1697658, 2263544, 2546487, 3395316, 5092974, 6790632, 10185948, 20371896]

約数ペア:

[(1, 20371896), (2, 10185948), (3, 6790632), (4, 5092974), (6, 3395316), (8, 2546487), (9, 2263544), (12, 1697658), (18, 1131772), (24, 848829), (36, 565886), (72, 282943), (523, 38952), (541, 37656), (1046, 19476), (1082, 18828), (1569, 12984), (1623, 12552), (2092, 9738), (2164, 9414), (3138, 6492), (3246, 6276), (4184, 4869), (4328, 4707)]