20051704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3137}}^1$

素因数の和:3207

約数の個数: 32

約数和(自身を含む): 40668480

約数和(自身を除く): 20616776

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3137, 3196, 6274, 6392, 12548, 25096, 53329, 106658, 147439, 213316, 294878, 426632, 589756, 1179512, 2506463, 5012926, 10025852, 20051704]

約数ペア:

[(1, 20051704), (2, 10025852), (4, 5012926), (8, 2506463), (17, 1179512), (34, 589756), (47, 426632), (68, 294878), (94, 213316), (136, 147439), (188, 106658), (376, 53329), (799, 25096), (1598, 12548), (3137, 6392), (3196, 6274)]