20168699704

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^3\times {\mathrm{857}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 39809484000

約数和(自身を除く): 19640784296

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 857, 1591, 1714, 1849, 3182, 3428, 3698, 6364, 6856, 7396, 12728, 14792, 31709, 36851, 63418, 68413, 73702, 79507, 126836, 136826, 147404, 159014, 253672, 273652, 294808, 318028, 547304, 636056, 1363487, 1584593, 2726974, 2941759, 3169186, 5453948, 5883518, 6338372, 10907896, 11767036, 12676744, 23534072, 58629941, 68137499, 117259882, 136274998, 234519764, 272549996, 469039528, 545099992, 2521087463, 5042174926, 10084349852, 20168699704]

約数ペア:

[(1, 20168699704), (2, 10084349852), (4, 5042174926), (8, 2521087463), (37, 545099992), (43, 469039528), (74, 272549996), (86, 234519764), (148, 136274998), (172, 117259882), (296, 68137499), (344, 58629941), (857, 23534072), (1591, 12676744), (1714, 11767036), (1849, 10907896), (3182, 6338372), (3428, 5883518), (3698, 5453948), (6364, 3169186), (6856, 2941759), (7396, 2726974), (12728, 1584593), (14792, 1363487), (31709, 636056), (36851, 547304), (63418, 318028), (68413, 294808), (73702, 273652), (79507, 253672), (126836, 159014), (136826, 147404)]