20512254348

素因数分解:

$2^2\times 3^4\times {\mathrm{239}}^1\times {\mathrm{264893}}^1$

素因数の和:265148

約数の個数: 60

約数和(自身を含む): 53847652320

約数和(自身を除く): 33335397972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 239, 324, 478, 717, 956, 1434, 2151, 2868, 4302, 6453, 8604, 12906, 19359, 25812, 38718, 77436, 264893, 529786, 794679, 1059572, 1589358, 2384037, 3178716, 4768074, 7152111, 9536148, 14304222, 21456333, 28608444, 42912666, 63309427, 85825332, 126618854, 189928281, 253237708, 379856562, 569784843, 759713124, 1139569686, 1709354529, 2279139372, 3418709058, 5128063587, 6837418116, 10256127174, 20512254348]

約数ペア:

[(1, 20512254348), (2, 10256127174), (3, 6837418116), (4, 5128063587), (6, 3418709058), (9, 2279139372), (12, 1709354529), (18, 1139569686), (27, 759713124), (36, 569784843), (54, 379856562), (81, 253237708), (108, 189928281), (162, 126618854), (239, 85825332), (324, 63309427), (478, 42912666), (717, 28608444), (956, 21456333), (1434, 14304222), (2151, 9536148), (2868, 7152111), (4302, 4768074), (6453, 3178716), (8604, 2384037), (12906, 1589358), (19359, 1059572), (25812, 794679), (38718, 529786), (77436, 264893)]