20921369952

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{1553}}^1\times {\mathrm{20047}}^1$

素因数の和:21620

約数の個数: 96

約数和(自身を含む): 62807657472

約数和(自身を除く): 41886287520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 1553, 3106, 4659, 6212, 9318, 10871, 12424, 18636, 20047, 21742, 24848, 32613, 37272, 40094, 43484, 49696, 60141, 65226, 74544, 80188, 86968, 120282, 130452, 140329, 149088, 160376, 173936, 240564, 260904, 280658, 320752, 347872, 420987, 481128, 521808, 561316, 641504, 841974, 962256, 1043616, 1122632, 1683948, 1924512, 2245264, 3367896, 4490528, 6735792, 13471584, 31132991, 62265982, 93398973, 124531964, 186797946, 217930937, 249063928, 373595892, 435861874, 498127856, 653792811, 747191784, 871723748, 996255712, 1307585622, 1494383568, 1743447496, 2615171244, 2988767136, 3486894992, 5230342488, 6973789984, 10460684976, 20921369952]

約数ペア:

[(1, 20921369952), (2, 10460684976), (3, 6973789984), (4, 5230342488), (6, 3486894992), (7, 2988767136), (8, 2615171244), (12, 1743447496), (14, 1494383568), (16, 1307585622), (21, 996255712), (24, 871723748), (28, 747191784), (32, 653792811), (42, 498127856), (48, 435861874), (56, 373595892), (84, 249063928), (96, 217930937), (112, 186797946), (168, 124531964), (224, 93398973), (336, 62265982), (672, 31132991), (1553, 13471584), (3106, 6735792), (4659, 4490528), (6212, 3367896), (9318, 2245264), (10871, 1924512), (12424, 1683948), (18636, 1122632), (20047, 1043616), (21742, 962256), (24848, 841974), (32613, 641504), (37272, 561316), (40094, 521808), (43484, 481128), (49696, 420987), (60141, 347872), (65226, 320752), (74544, 280658), (80188, 260904), (86968, 240564), (120282, 173936), (130452, 160376), (140329, 149088)]