20592440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2753}}^1$

素因数の和:2792

約数の個数: 64

約数和(自身を含む): 53537760

約数和(自身を除く): 32945320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2753, 3740, 5506, 7480, 11012, 13765, 22024, 27530, 30283, 46801, 55060, 60566, 93602, 110120, 121132, 151415, 187204, 234005, 242264, 302830, 374408, 468010, 514811, 605660, 936020, 1029622, 1211320, 1872040, 2059244, 2574055, 4118488, 5148110, 10296220, 20592440]

約数ペア:

[(1, 20592440), (2, 10296220), (4, 5148110), (5, 4118488), (8, 2574055), (10, 2059244), (11, 1872040), (17, 1211320), (20, 1029622), (22, 936020), (34, 605660), (40, 514811), (44, 468010), (55, 374408), (68, 302830), (85, 242264), (88, 234005), (110, 187204), (136, 151415), (170, 121132), (187, 110120), (220, 93602), (340, 60566), (374, 55060), (440, 46801), (680, 30283), (748, 27530), (935, 22024), (1496, 13765), (1870, 11012), (2753, 7480), (3740, 5506)]