20512576040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2742323}}^1$

素因数の和:2742362

約数の個数: 64

約数和(自身を含む): 53310778560

約数和(自身を除く): 32798202520

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, 3740, 7480, 2742323, 5484646, 10969292, 13711615, 21938584, 27423230, 30165553, 46619491, 54846460, 60331106, 93238982, 109692920, 120662212, 150827765, 186477964, 233097455, 241324424, 301655530, 372955928, 466194910, 512814401, 603311060, 932389820, 1025628802, 1206622120, 1864779640, 2051257604, 2564072005, 4102515208, 5128144010, 10256288020, 20512576040]

約数ペア:

[(1, 20512576040), (2, 10256288020), (4, 5128144010), (5, 4102515208), (8, 2564072005), (10, 2051257604), (11, 1864779640), (17, 1206622120), (20, 1025628802), (22, 932389820), (34, 603311060), (40, 512814401), (44, 466194910), (55, 372955928), (68, 301655530), (85, 241324424), (88, 233097455), (110, 186477964), (136, 150827765), (170, 120662212), (187, 109692920), (220, 93238982), (340, 60331106), (374, 54846460), (440, 46619491), (680, 30165553), (748, 27423230), (935, 21938584), (1496, 13711615), (1870, 10969292), (3740, 5484646), (7480, 2742323)]