20376490

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 37679616

約数和(自身を除く): 17303126

約数列:

[1, 2, 5, 10, 73, 103, 146, 206, 271, 365, 515, 542, 730, 1030, 1355, 2710, 7519, 15038, 19783, 27913, 37595, 39566, 55826, 75190, 98915, 139565, 197830, 279130, 2037649, 4075298, 10188245, 20376490]

約数ペア:

[(1, 20376490), (2, 10188245), (5, 4075298), (10, 2037649), (73, 279130), (103, 197830), (146, 139565), (206, 98915), (271, 75190), (365, 55826), (515, 39566), (542, 37595), (730, 27913), (1030, 19783), (1355, 15038), (2710, 7519)]