20171728220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7873}}^1\times {\mathrm{18301}}^1$

素因数の和:26190

約数の個数: 48

約数和(自身を含む): 48420942528

約数和(自身を除く): 28249214308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7873, 15746, 18301, 31492, 36602, 39365, 55111, 73204, 78730, 91505, 110222, 128107, 157460, 183010, 220444, 256214, 275555, 366020, 512428, 551110, 640535, 1102220, 1281070, 2562140, 144083773, 288167546, 576335092, 720418865, 1008586411, 1440837730, 2017172822, 2881675460, 4034345644, 5042932055, 10085864110, 20171728220]

約数ペア:

[(1, 20171728220), (2, 10085864110), (4, 5042932055), (5, 4034345644), (7, 2881675460), (10, 2017172822), (14, 1440837730), (20, 1008586411), (28, 720418865), (35, 576335092), (70, 288167546), (140, 144083773), (7873, 2562140), (15746, 1281070), (18301, 1102220), (31492, 640535), (36602, 551110), (39365, 512428), (55111, 366020), (73204, 275555), (78730, 256214), (91505, 220444), (110222, 183010), (128107, 157460)]