20065830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^2\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 49215600

約数和(自身を除く): 29149770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 149, 201, 298, 335, 402, 447, 670, 745, 894, 1005, 1490, 2010, 2235, 4470, 4489, 8978, 9983, 13467, 19966, 22445, 26934, 29949, 44890, 49915, 59898, 67335, 99830, 134670, 149745, 299490, 668861, 1337722, 2006583, 3344305, 4013166, 6688610, 10032915, 20065830]

約数ペア:

[(1, 20065830), (2, 10032915), (3, 6688610), (5, 4013166), (6, 3344305), (10, 2006583), (15, 1337722), (30, 668861), (67, 299490), (134, 149745), (149, 134670), (201, 99830), (298, 67335), (335, 59898), (402, 49915), (447, 44890), (670, 29949), (745, 26934), (894, 22445), (1005, 19966), (1490, 13467), (2010, 9983), (2235, 8978), (4470, 4489)]