20320827255

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{82721}}^1$

素因数の和:82888

約数の個数: 48

約数和(自身を含む): 36236206656

約数和(自身を除く): 15915379401

約数列:

[1, 3, 5, 9, 15, 45, 53, 103, 159, 265, 309, 477, 515, 795, 927, 1545, 2385, 4635, 5459, 16377, 27295, 49131, 81885, 82721, 245655, 248163, 413605, 744489, 1240815, 3722445, 4384213, 8520263, 13152639, 21921065, 25560789, 39457917, 42601315, 65763195, 76682367, 127803945, 197289585, 383411835, 451573939, 1354721817, 2257869695, 4064165451, 6773609085, 20320827255]

約数ペア:

[(1, 20320827255), (3, 6773609085), (5, 4064165451), (9, 2257869695), (15, 1354721817), (45, 451573939), (53, 383411835), (103, 197289585), (159, 127803945), (265, 76682367), (309, 65763195), (477, 42601315), (515, 39457917), (795, 25560789), (927, 21921065), (1545, 13152639), (2385, 8520263), (4635, 4384213), (5459, 3722445), (16377, 1240815), (27295, 744489), (49131, 413605), (81885, 248163), (82721, 245655)]