20991736810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{11801}}^1$

素因数の和:12079

約数の個数: 64

約数和(自身を含む): 41888980224

約数和(自身を除く): 20897243414

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 157, 206, 314, 515, 785, 1030, 1133, 1570, 1727, 2266, 3454, 5665, 8635, 11330, 11801, 16171, 17270, 23602, 32342, 59005, 80855, 118010, 129811, 161710, 177881, 259622, 355762, 649055, 889405, 1215503, 1298110, 1778810, 1852757, 2431006, 3705514, 6077515, 9263785, 12155030, 13370533, 18527570, 20380327, 26741066, 40760654, 66852665, 101901635, 133705330, 190833971, 203803270, 381667942, 954169855, 1908339710, 2099173681, 4198347362, 10495868405, 20991736810]

約数ペア:

[(1, 20991736810), (2, 10495868405), (5, 4198347362), (10, 2099173681), (11, 1908339710), (22, 954169855), (55, 381667942), (103, 203803270), (110, 190833971), (157, 133705330), (206, 101901635), (314, 66852665), (515, 40760654), (785, 26741066), (1030, 20380327), (1133, 18527570), (1570, 13370533), (1727, 12155030), (2266, 9263785), (3454, 6077515), (5665, 3705514), (8635, 2431006), (11330, 1852757), (11801, 1778810), (16171, 1298110), (17270, 1215503), (23602, 889405), (32342, 649055), (59005, 355762), (80855, 259622), (118010, 177881), (129811, 161710)]