20121388352

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{562427}}^1$

素因数の和:562495

約数の個数: 56

約数和(自身を含む): 43999867296

約数和(自身を除く): 23878478944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 2236, 2752, 4472, 8944, 17888, 35776, 562427, 1124854, 2249708, 4499416, 7311551, 8998832, 14623102, 17997664, 24184361, 29246204, 35995328, 48368722, 58492408, 96737444, 116984816, 193474888, 233969632, 314396693, 386949776, 467939264, 628793386, 773899552, 1257586772, 1547799104, 2515173544, 5030347088, 10060694176, 20121388352]

約数ペア:

[(1, 20121388352), (2, 10060694176), (4, 5030347088), (8, 2515173544), (13, 1547799104), (16, 1257586772), (26, 773899552), (32, 628793386), (43, 467939264), (52, 386949776), (64, 314396693), (86, 233969632), (104, 193474888), (172, 116984816), (208, 96737444), (344, 58492408), (416, 48368722), (559, 35995328), (688, 29246204), (832, 24184361), (1118, 17997664), (1376, 14623102), (2236, 8998832), (2752, 7311551), (4472, 4499416), (8944, 2249708), (17888, 1124854), (35776, 562427)]