20560160

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 52399872

約数和(自身を除く): 31839712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 74, 80, 92, 115, 148, 151, 160, 184, 185, 230, 296, 302, 368, 370, 460, 592, 604, 736, 740, 755, 851, 920, 1184, 1208, 1480, 1510, 1702, 1840, 2416, 2960, 3020, 3404, 3473, 3680, 4255, 4832, 5587, 5920, 6040, 6808, 6946, 8510, 11174, 12080, 13616, 13892, 17020, 17365, 22348, 24160, 27232, 27784, 27935, 34040, 34730, 44696, 55568, 55870, 68080, 69460, 89392, 111136, 111740, 128501, 136160, 138920, 178784, 223480, 257002, 277840, 446960, 514004, 555680, 642505, 893920, 1028008, 1285010, 2056016, 2570020, 4112032, 5140040, 10280080, 20560160]

約数ペア:

[(1, 20560160), (2, 10280080), (4, 5140040), (5, 4112032), (8, 2570020), (10, 2056016), (16, 1285010), (20, 1028008), (23, 893920), (32, 642505), (37, 555680), (40, 514004), (46, 446960), (74, 277840), (80, 257002), (92, 223480), (115, 178784), (148, 138920), (151, 136160), (160, 128501), (184, 111740), (185, 111136), (230, 89392), (296, 69460), (302, 68080), (368, 55870), (370, 55568), (460, 44696), (592, 34730), (604, 34040), (736, 27935), (740, 27784), (755, 27232), (851, 24160), (920, 22348), (1184, 17365), (1208, 17020), (1480, 13892), (1510, 13616), (1702, 12080), (1840, 11174), (2416, 8510), (2960, 6946), (3020, 6808), (3404, 6040), (3473, 5920), (3680, 5587), (4255, 4832)]