20303490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{127}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 49794048

約数和(自身を除く): 29490558

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 127, 146, 219, 254, 365, 381, 438, 635, 730, 762, 1095, 1270, 1905, 2190, 3810, 5329, 9271, 10658, 15987, 18542, 26645, 27813, 31974, 46355, 53290, 55626, 79935, 92710, 139065, 159870, 278130, 676783, 1353566, 2030349, 3383915, 4060698, 6767830, 10151745, 20303490]

約数ペア:

[(1, 20303490), (2, 10151745), (3, 6767830), (5, 4060698), (6, 3383915), (10, 2030349), (15, 1353566), (30, 676783), (73, 278130), (127, 159870), (146, 139065), (219, 92710), (254, 79935), (365, 55626), (381, 53290), (438, 46355), (635, 31974), (730, 27813), (762, 26645), (1095, 18542), (1270, 15987), (1905, 10658), (2190, 9271), (3810, 5329)]