20835064

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 20766536

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 478, 641, 956, 1282, 1912, 2564, 4063, 5128, 8126, 10897, 16252, 21794, 32504, 43588, 87176, 153199, 306398, 612796, 1225592, 2604383, 5208766, 10417532, 20835064]

約数ペア:

[(1, 20835064), (2, 10417532), (4, 5208766), (8, 2604383), (17, 1225592), (34, 612796), (68, 306398), (136, 153199), (239, 87176), (478, 43588), (641, 32504), (956, 21794), (1282, 16252), (1912, 10897), (2564, 8126), (4063, 5128)]