20380374

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3301}}^1$

素因数の和:3330

約数の個数: 48

約数和(自身を含む): 51511200

約数和(自身を除く): 31130826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3301, 6174, 6602, 9903, 19806, 23107, 29709, 46214, 59418, 69321, 138642, 161749, 207963, 323498, 415926, 485247, 970494, 1132243, 1455741, 2264486, 2911482, 3396729, 6793458, 10190187, 20380374]

約数ペア:

[(1, 20380374), (2, 10190187), (3, 6793458), (6, 3396729), (7, 2911482), (9, 2264486), (14, 1455741), (18, 1132243), (21, 970494), (42, 485247), (49, 415926), (63, 323498), (98, 207963), (126, 161749), (147, 138642), (294, 69321), (343, 59418), (441, 46214), (686, 29709), (882, 23107), (1029, 19806), (2058, 9903), (3087, 6602), (3301, 6174)]