20199511269

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{47353}}^1$

素因数の和:47467

約数の個数: 64

約数和(自身を含む): 35701127680

約数和(自身を除く): 15501616411

約数列:

[1, 3, 7, 9, 21, 27, 37, 61, 63, 111, 183, 189, 259, 333, 427, 549, 777, 999, 1281, 1647, 2257, 2331, 3843, 6771, 6993, 11529, 15799, 20313, 47353, 47397, 60939, 142059, 142191, 331471, 426177, 426573, 994413, 1278531, 1752061, 2888533, 2983239, 5256183, 8665599, 8949717, 12264427, 15768549, 20219731, 25996797, 36793281, 47305647, 60659193, 77990391, 106875721, 110379843, 181977579, 320627163, 331139529, 545932737, 748130047, 961881489, 2244390141, 2885644467, 6733170423, 20199511269]

約数ペア:

[(1, 20199511269), (3, 6733170423), (7, 2885644467), (9, 2244390141), (21, 961881489), (27, 748130047), (37, 545932737), (61, 331139529), (63, 320627163), (111, 181977579), (183, 110379843), (189, 106875721), (259, 77990391), (333, 60659193), (427, 47305647), (549, 36793281), (777, 25996797), (999, 20219731), (1281, 15768549), (1647, 12264427), (2257, 8949717), (2331, 8665599), (3843, 5256183), (6771, 2983239), (6993, 2888533), (11529, 1752061), (15799, 1278531), (20313, 994413), (47353, 426573), (47397, 426177), (60939, 331471), (142059, 142191)]