20478522060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12641063}}^1$

素因数の和:12641084

約数の個数: 60

約数和(自身を含む): 64241887248

約数和(自身を除く): 43763365188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12641063, 25282126, 37923189, 50564252, 63205315, 75846378, 113769567, 126410630, 151692756, 189615945, 227539134, 252821260, 341308701, 379231890, 455078268, 568847835, 682617402, 758463780, 1023926103, 1137695670, 1365234804, 1706543505, 2047852206, 2275391340, 3413087010, 4095704412, 5119630515, 6826174020, 10239261030, 20478522060]

約数ペア:

[(1, 20478522060), (2, 10239261030), (3, 6826174020), (4, 5119630515), (5, 4095704412), (6, 3413087010), (9, 2275391340), (10, 2047852206), (12, 1706543505), (15, 1365234804), (18, 1137695670), (20, 1023926103), (27, 758463780), (30, 682617402), (36, 568847835), (45, 455078268), (54, 379231890), (60, 341308701), (81, 252821260), (90, 227539134), (108, 189615945), (135, 151692756), (162, 126410630), (180, 113769567), (270, 75846378), (324, 63205315), (405, 50564252), (540, 37923189), (810, 25282126), (1620, 12641063)]