20206128

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 54369536

約数和(自身を除く): 34163408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 67, 103, 122, 134, 183, 201, 206, 244, 268, 309, 366, 402, 412, 488, 536, 618, 732, 804, 824, 976, 1072, 1236, 1464, 1608, 1648, 2472, 2928, 3216, 4087, 4944, 6283, 6901, 8174, 12261, 12566, 13802, 16348, 18849, 20703, 24522, 25132, 27604, 32696, 37698, 41406, 49044, 50264, 55208, 65392, 75396, 82812, 98088, 100528, 110416, 150792, 165624, 196176, 301584, 331248, 420961, 841922, 1262883, 1683844, 2525766, 3367688, 5051532, 6735376, 10103064, 20206128]

約数ペア:

[(1, 20206128), (2, 10103064), (3, 6735376), (4, 5051532), (6, 3367688), (8, 2525766), (12, 1683844), (16, 1262883), (24, 841922), (48, 420961), (61, 331248), (67, 301584), (103, 196176), (122, 165624), (134, 150792), (183, 110416), (201, 100528), (206, 98088), (244, 82812), (268, 75396), (309, 65392), (366, 55208), (402, 50264), (412, 49044), (488, 41406), (536, 37698), (618, 32696), (732, 27604), (804, 25132), (824, 24522), (976, 20703), (1072, 18849), (1236, 16348), (1464, 13802), (1608, 12566), (1648, 12261), (2472, 8174), (2928, 6901), (3216, 6283), (4087, 4944)]