20044528

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:750

約数の個数: 60

約数和(自身を含む): 46465032

約数和(自身を除く): 26420504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 691, 784, 1036, 1382, 1813, 2072, 2764, 3626, 4144, 4837, 5528, 7252, 9674, 11056, 14504, 19348, 25567, 29008, 33859, 38696, 51134, 67718, 77392, 102268, 135436, 178969, 204536, 270872, 357938, 409072, 541744, 715876, 1252783, 1431752, 2505566, 2863504, 5011132, 10022264, 20044528]

約数ペア:

[(1, 20044528), (2, 10022264), (4, 5011132), (7, 2863504), (8, 2505566), (14, 1431752), (16, 1252783), (28, 715876), (37, 541744), (49, 409072), (56, 357938), (74, 270872), (98, 204536), (112, 178969), (148, 135436), (196, 102268), (259, 77392), (296, 67718), (392, 51134), (518, 38696), (592, 33859), (691, 29008), (784, 25567), (1036, 19348), (1382, 14504), (1813, 11056), (2072, 9674), (2764, 7252), (3626, 5528), (4144, 4837)]