20175293696

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{45319}}^1$

素因数の和:45419

約数の個数: 72

約数和(自身を含む): 42241140480

約数和(自身を除く): 22065846784

約数列:

[1, 2, 4, 8, 16, 32, 37, 47, 64, 74, 94, 128, 148, 188, 256, 296, 376, 592, 752, 1184, 1504, 1739, 2368, 3008, 3478, 4736, 6016, 6956, 9472, 12032, 13912, 27824, 45319, 55648, 90638, 111296, 181276, 222592, 362552, 445184, 725104, 1450208, 1676803, 2129993, 2900416, 3353606, 4259986, 5800832, 6707212, 8519972, 11601664, 13414424, 17039944, 26828848, 34079888, 53657696, 68159776, 78809741, 107315392, 136319552, 157619482, 214630784, 272639104, 315238964, 429261568, 545278208, 630477928, 1260955856, 2521911712, 5043823424, 10087646848, 20175293696]

約数ペア:

[(1, 20175293696), (2, 10087646848), (4, 5043823424), (8, 2521911712), (16, 1260955856), (32, 630477928), (37, 545278208), (47, 429261568), (64, 315238964), (74, 272639104), (94, 214630784), (128, 157619482), (148, 136319552), (188, 107315392), (256, 78809741), (296, 68159776), (376, 53657696), (592, 34079888), (752, 26828848), (1184, 17039944), (1504, 13414424), (1739, 11601664), (2368, 8519972), (3008, 6707212), (3478, 5800832), (4736, 4259986), (6016, 3353606), (6956, 2900416), (9472, 2129993), (12032, 1676803), (13912, 1450208), (27824, 725104), (45319, 445184), (55648, 362552), (90638, 222592), (111296, 181276)]