20178441320

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{140167}}^1$

素因数の和:140298

約数の個数: 64

約数和(自身を含む): 46928246400

約数和(自身を除く): 26749805080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 61, 118, 122, 236, 244, 295, 305, 472, 488, 590, 610, 1180, 1220, 2360, 2440, 3599, 7198, 14396, 17995, 28792, 35990, 71980, 140167, 143960, 280334, 560668, 700835, 1121336, 1401670, 2803340, 5606680, 8269853, 8550187, 16539706, 17100374, 33079412, 34200748, 41349265, 42750935, 66158824, 68401496, 82698530, 85501870, 165397060, 171003740, 330794120, 342007480, 504461033, 1008922066, 2017844132, 2522305165, 4035688264, 5044610330, 10089220660, 20178441320]

約数ペア:

[(1, 20178441320), (2, 10089220660), (4, 5044610330), (5, 4035688264), (8, 2522305165), (10, 2017844132), (20, 1008922066), (40, 504461033), (59, 342007480), (61, 330794120), (118, 171003740), (122, 165397060), (236, 85501870), (244, 82698530), (295, 68401496), (305, 66158824), (472, 42750935), (488, 41349265), (590, 34200748), (610, 33079412), (1180, 17100374), (1220, 16539706), (2360, 8550187), (2440, 8269853), (3599, 5606680), (7198, 2803340), (14396, 1401670), (17995, 1121336), (28792, 700835), (35990, 560668), (71980, 280334), (140167, 143960)]