20440602

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12479}}^1$

素因数の和:12507

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 34072038

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12479, 24958, 37437, 74874, 87353, 112311, 162227, 174706, 224622, 262059, 324454, 486681, 524118, 786177, 973362, 1135589, 1460043, 1572354, 2271178, 2920086, 3406767, 6813534, 10220301, 20440602]

約数ペア:

[(1, 20440602), (2, 10220301), (3, 6813534), (6, 3406767), (7, 2920086), (9, 2271178), (13, 1572354), (14, 1460043), (18, 1135589), (21, 973362), (26, 786177), (39, 524118), (42, 486681), (63, 324454), (78, 262059), (91, 224622), (117, 174706), (126, 162227), (182, 112311), (234, 87353), (273, 74874), (546, 37437), (819, 24958), (1638, 12479)]