20473712

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10753}}^1$

素因数の和:10785

約数の個数: 40

約数和(自身を含む): 48005856

約数和(自身を除く): 27532144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10753, 21506, 43012, 75271, 86024, 150542, 172048, 182801, 301084, 365602, 602168, 731204, 1204336, 1279607, 1462408, 2559214, 2924816, 5118428, 10236856, 20473712]

約数ペア:

[(1, 20473712), (2, 10236856), (4, 5118428), (7, 2924816), (8, 2559214), (14, 1462408), (16, 1279607), (17, 1204336), (28, 731204), (34, 602168), (56, 365602), (68, 301084), (112, 182801), (119, 172048), (136, 150542), (238, 86024), (272, 75271), (476, 43012), (952, 21506), (1904, 10753)]