20444603907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1\times {\mathrm{2939}}^1$

素因数の和:3352

約数の個数: 64

約数和(自身を含む): 34076528640

約数和(自身を除く): 13631924733

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 249, 273, 307, 581, 921, 1079, 1743, 2149, 2939, 3237, 3991, 6447, 7553, 8817, 11973, 20573, 22659, 25481, 27937, 38207, 61719, 76443, 83811, 114621, 178367, 243937, 267449, 331253, 535101, 731811, 802347, 902273, 993759, 1707559, 2318771, 2706819, 3171181, 5122677, 6315911, 6956313, 9513543, 11729549, 18947733, 22198267, 35188647, 66594801, 74888659, 82106843, 224665977, 246320529, 524220613, 973552567, 1572661839, 2920657701, 6814867969, 20444603907]

約数ペア:

[(1, 20444603907), (3, 6814867969), (7, 2920657701), (13, 1572661839), (21, 973552567), (39, 524220613), (83, 246320529), (91, 224665977), (249, 82106843), (273, 74888659), (307, 66594801), (581, 35188647), (921, 22198267), (1079, 18947733), (1743, 11729549), (2149, 9513543), (2939, 6956313), (3237, 6315911), (3991, 5122677), (6447, 3171181), (7553, 2706819), (8817, 2318771), (11973, 1707559), (20573, 993759), (22659, 902273), (25481, 802347), (27937, 731811), (38207, 535101), (61719, 331253), (76443, 267449), (83811, 243937), (114621, 178367)]