20213766

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 47132160

約数和(自身を除く): 26918394

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 67, 74, 111, 134, 151, 201, 222, 302, 333, 402, 453, 603, 666, 906, 999, 1206, 1359, 1809, 1998, 2479, 2718, 3618, 4077, 4958, 5587, 7437, 8154, 10117, 11174, 14874, 16761, 20234, 22311, 30351, 33522, 44622, 50283, 60702, 66933, 91053, 100566, 133866, 150849, 182106, 273159, 301698, 374329, 546318, 748658, 1122987, 2245974, 3368961, 6737922, 10106883, 20213766]

約数ペア:

[(1, 20213766), (2, 10106883), (3, 6737922), (6, 3368961), (9, 2245974), (18, 1122987), (27, 748658), (37, 546318), (54, 374329), (67, 301698), (74, 273159), (111, 182106), (134, 150849), (151, 133866), (201, 100566), (222, 91053), (302, 66933), (333, 60702), (402, 50283), (453, 44622), (603, 33522), (666, 30351), (906, 22311), (999, 20234), (1206, 16761), (1359, 14874), (1809, 11174), (1998, 10117), (2479, 8154), (2718, 7437), (3618, 5587), (4077, 4958)]