20074945520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1886743}}^1$

素因数の和:1886782

約数の個数: 80

約数和(自身を含む): 56149501440

約数和(自身を除く): 36074555920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 1886743, 3773486, 7546972, 9433715, 13207201, 15093944, 18867430, 26414402, 30187888, 35848117, 37734860, 52828804, 66036005, 71696234, 75469720, 105657608, 132072010, 143392468, 150939440, 179240585, 211315216, 250936819, 264144020, 286784936, 358481170, 501873638, 528288040, 573569872, 716962340, 1003747276, 1056576080, 1254684095, 1433924680, 2007494552, 2509368190, 2867849360, 4014989104, 5018736380, 10037472760, 20074945520]

約数ペア:

[(1, 20074945520), (2, 10037472760), (4, 5018736380), (5, 4014989104), (7, 2867849360), (8, 2509368190), (10, 2007494552), (14, 1433924680), (16, 1254684095), (19, 1056576080), (20, 1003747276), (28, 716962340), (35, 573569872), (38, 528288040), (40, 501873638), (56, 358481170), (70, 286784936), (76, 264144020), (80, 250936819), (95, 211315216), (112, 179240585), (133, 150939440), (140, 143392468), (152, 132072010), (190, 105657608), (266, 75469720), (280, 71696234), (304, 66036005), (380, 52828804), (532, 37734860), (560, 35848117), (665, 30187888), (760, 26414402), (1064, 18867430), (1330, 15093944), (1520, 13207201), (2128, 9433715), (2660, 7546972), (5320, 3773486), (10640, 1886743)]