20825804538

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1669537}}^1$

素因数の和:1669569

約数の個数: 80

約数和(自身を含む): 58180060224

約数和(自身を除く): 37354255686

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1782, 2079, 4158, 6237, 12474, 1669537, 3339074, 5008611, 10017222, 11686759, 15025833, 18364907, 23373518, 30051666, 35060277, 36729814, 45077499, 55094721, 70120554, 90154998, 105180831, 110189442, 128554349, 135232497, 165284163, 210361662, 257108698, 270464994, 315542493, 330568326, 385663047, 495852489, 631084986, 771326094, 946627479, 991704978, 1156989141, 1487557467, 1893254958, 2313978282, 2975114934, 3470967423, 6941934846, 10412902269, 20825804538]

約数ペア:

[(1, 20825804538), (2, 10412902269), (3, 6941934846), (6, 3470967423), (7, 2975114934), (9, 2313978282), (11, 1893254958), (14, 1487557467), (18, 1156989141), (21, 991704978), (22, 946627479), (27, 771326094), (33, 631084986), (42, 495852489), (54, 385663047), (63, 330568326), (66, 315542493), (77, 270464994), (81, 257108698), (99, 210361662), (126, 165284163), (154, 135232497), (162, 128554349), (189, 110189442), (198, 105180831), (231, 90154998), (297, 70120554), (378, 55094721), (462, 45077499), (567, 36729814), (594, 35060277), (693, 30051666), (891, 23373518), (1134, 18364907), (1386, 15025833), (1782, 11686759), (2079, 10017222), (4158, 5008611), (6237, 3339074), (12474, 1669537)]