20178393831

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{823}}^1\times {\mathrm{839}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 31097364480

約数和(自身を除く): 10918970649

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 823, 839, 1719, 2469, 2517, 3247, 7407, 7551, 9741, 13991, 14263, 29223, 41973, 42789, 125919, 128367, 157193, 160249, 471579, 480747, 690497, 1414737, 1442241, 2071491, 2672281, 2724233, 6214473, 8016843, 8172699, 11738449, 24050529, 24518097, 35215347, 105646041, 131884927, 395654781, 1186964343, 2242043759, 6726131277, 20178393831]

約数ペア:

[(1, 20178393831), (3, 6726131277), (9, 2242043759), (17, 1186964343), (51, 395654781), (153, 131884927), (191, 105646041), (573, 35215347), (823, 24518097), (839, 24050529), (1719, 11738449), (2469, 8172699), (2517, 8016843), (3247, 6214473), (7407, 2724233), (7551, 2672281), (9741, 2071491), (13991, 1442241), (14263, 1414737), (29223, 690497), (41973, 480747), (42789, 471579), (125919, 160249), (128367, 157193)]