20182960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1610

約数の個数: 80

約数和(自身を含む): 55996416

約数和(自身を除く): 35813456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1567, 1610, 1840, 2576, 3134, 3220, 6268, 6440, 7835, 10969, 12536, 12880, 15670, 21938, 25072, 31340, 36041, 43876, 54845, 62680, 72082, 87752, 109690, 125360, 144164, 175504, 180205, 219380, 252287, 288328, 360410, 438760, 504574, 576656, 720820, 877520, 1009148, 1261435, 1441640, 2018296, 2522870, 2883280, 4036592, 5045740, 10091480, 20182960]

約数ペア:

[(1, 20182960), (2, 10091480), (4, 5045740), (5, 4036592), (7, 2883280), (8, 2522870), (10, 2018296), (14, 1441640), (16, 1261435), (20, 1009148), (23, 877520), (28, 720820), (35, 576656), (40, 504574), (46, 438760), (56, 360410), (70, 288328), (80, 252287), (92, 219380), (112, 180205), (115, 175504), (140, 144164), (161, 125360), (184, 109690), (230, 87752), (280, 72082), (322, 62680), (368, 54845), (460, 43876), (560, 36041), (644, 31340), (805, 25072), (920, 21938), (1288, 15670), (1567, 12880), (1610, 12536), (1840, 10969), (2576, 7835), (3134, 6440), (3220, 6268)]