20680544871

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:769

約数の個数: 96

約数和(自身を含む): 35559014400

約数和(自身を除く): 14878469529

約数列:

[1, 3, 7, 9, 21, 47, 63, 79, 141, 211, 237, 329, 419, 423, 553, 633, 711, 987, 1257, 1477, 1659, 1899, 2933, 2961, 3713, 3771, 4431, 4977, 8799, 9917, 11139, 13293, 16669, 19693, 25991, 26397, 29751, 33101, 33417, 50007, 59079, 69419, 77973, 88409, 89253, 99303, 116683, 137851, 150021, 177237, 208257, 231707, 233919, 265227, 297909, 350049, 413553, 618863, 624771, 695121, 783443, 795681, 1050147, 1240659, 1555747, 1856589, 2085363, 2350329, 4155223, 4667241, 5484101, 5569767, 6984311, 7050987, 10890229, 12465669, 14001723, 16452303, 20952933, 29086561, 32670687, 37397007, 48890177, 49356909, 62858799, 87259683, 98012061, 146670531, 261779049, 328262617, 440011593, 984787851, 2297838319, 2954363553, 6893514957, 20680544871]

約数ペア:

[(1, 20680544871), (3, 6893514957), (7, 2954363553), (9, 2297838319), (21, 984787851), (47, 440011593), (63, 328262617), (79, 261779049), (141, 146670531), (211, 98012061), (237, 87259683), (329, 62858799), (419, 49356909), (423, 48890177), (553, 37397007), (633, 32670687), (711, 29086561), (987, 20952933), (1257, 16452303), (1477, 14001723), (1659, 12465669), (1899, 10890229), (2933, 7050987), (2961, 6984311), (3713, 5569767), (3771, 5484101), (4431, 4667241), (4977, 4155223), (8799, 2350329), (9917, 2085363), (11139, 1856589), (13293, 1555747), (16669, 1240659), (19693, 1050147), (25991, 795681), (26397, 783443), (29751, 695121), (33101, 624771), (33417, 618863), (50007, 413553), (59079, 350049), (69419, 297909), (77973, 265227), (88409, 233919), (89253, 231707), (99303, 208257), (116683, 177237), (137851, 150021)]