20123009760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{5988991}}^1$

素因数の和:5989016

約数の個数: 96

約数和(自身を含む): 72442847232

約数和(自身を除く): 52319837472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 5988991, 11977982, 17966973, 23955964, 29944955, 35933946, 41922937, 47911928, 59889910, 71867892, 83845874, 89834865, 95823856, 119779820, 125768811, 143735784, 167691748, 179669730, 191647712, 209614685, 239559640, 251537622, 287471568, 335383496, 359339460, 419229370, 479119280, 503075244, 574943136, 628844055, 670766992, 718678920, 838458740, 958238560, 1006150488, 1257688110, 1341533984, 1437357840, 1676917480, 2012300976, 2515376220, 2874715680, 3353834960, 4024601952, 5030752440, 6707669920, 10061504880, 20123009760]

約数ペア:

[(1, 20123009760), (2, 10061504880), (3, 6707669920), (4, 5030752440), (5, 4024601952), (6, 3353834960), (7, 2874715680), (8, 2515376220), (10, 2012300976), (12, 1676917480), (14, 1437357840), (15, 1341533984), (16, 1257688110), (20, 1006150488), (21, 958238560), (24, 838458740), (28, 718678920), (30, 670766992), (32, 628844055), (35, 574943136), (40, 503075244), (42, 479119280), (48, 419229370), (56, 359339460), (60, 335383496), (70, 287471568), (80, 251537622), (84, 239559640), (96, 209614685), (105, 191647712), (112, 179669730), (120, 167691748), (140, 143735784), (160, 125768811), (168, 119779820), (210, 95823856), (224, 89834865), (240, 83845874), (280, 71867892), (336, 59889910), (420, 47911928), (480, 41922937), (560, 35933946), (672, 29944955), (840, 23955964), (1120, 17966973), (1680, 11977982), (3360, 5988991)]