20424474

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 120

約数和(自身を含む): 55617408

約数和(自身を除く): 35192934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 49, 54, 62, 63, 81, 83, 93, 98, 126, 147, 162, 166, 186, 189, 217, 249, 279, 294, 378, 434, 441, 498, 558, 567, 581, 651, 747, 837, 882, 1134, 1162, 1302, 1323, 1494, 1519, 1674, 1743, 1953, 2241, 2511, 2573, 2646, 3038, 3486, 3906, 3969, 4067, 4482, 4557, 5022, 5146, 5229, 5859, 6723, 7719, 7938, 8134, 9114, 10458, 11718, 12201, 13446, 13671, 15438, 15687, 17577, 18011, 23157, 24402, 27342, 31374, 35154, 36022, 36603, 41013, 46314, 47061, 54033, 69471, 73206, 82026, 94122, 108066, 109809, 123039, 126077, 138942, 162099, 208413, 219618, 246078, 252154, 324198, 329427, 378231, 416826, 486297, 658854, 756462, 972594, 1134693, 1458891, 2269386, 2917782, 3404079, 6808158, 10212237, 20424474]

約数ペア:

[(1, 20424474), (2, 10212237), (3, 6808158), (6, 3404079), (7, 2917782), (9, 2269386), (14, 1458891), (18, 1134693), (21, 972594), (27, 756462), (31, 658854), (42, 486297), (49, 416826), (54, 378231), (62, 329427), (63, 324198), (81, 252154), (83, 246078), (93, 219618), (98, 208413), (126, 162099), (147, 138942), (162, 126077), (166, 123039), (186, 109809), (189, 108066), (217, 94122), (249, 82026), (279, 73206), (294, 69471), (378, 54033), (434, 47061), (441, 46314), (498, 41013), (558, 36603), (567, 36022), (581, 35154), (651, 31374), (747, 27342), (837, 24402), (882, 23157), (1134, 18011), (1162, 17577), (1302, 15687), (1323, 15438), (1494, 13671), (1519, 13446), (1674, 12201), (1743, 11718), (1953, 10458), (2241, 9114), (2511, 8134), (2573, 7938), (2646, 7719), (3038, 6723), (3486, 5859), (3906, 5229), (3969, 5146), (4067, 5022), (4482, 4557)]