20172373655

素因数分解:

$5^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1019}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 30238699680

約数和(自身を除く): 10066326025

約数列:

[1, 5, 7, 17, 35, 49, 85, 97, 119, 245, 343, 485, 595, 679, 833, 1019, 1649, 1715, 2401, 3395, 4165, 4753, 5095, 5831, 7133, 8245, 11543, 12005, 17323, 23765, 29155, 33271, 35665, 40817, 49931, 57715, 80801, 86615, 98843, 121261, 166355, 204085, 232897, 249655, 349517, 404005, 494215, 565607, 606305, 691901, 848827, 1164485, 1680331, 1747585, 2446619, 2828035, 3459505, 3959249, 4244135, 4843307, 5941789, 8401655, 11762317, 12233095, 19796245, 24216535, 29708945, 33903149, 41592523, 58811585, 82336219, 169515745, 207962615, 237322043, 411681095, 576353533, 1186610215, 2881767665, 4034474731, 20172373655]

約数ペア:

[(1, 20172373655), (5, 4034474731), (7, 2881767665), (17, 1186610215), (35, 576353533), (49, 411681095), (85, 237322043), (97, 207962615), (119, 169515745), (245, 82336219), (343, 58811585), (485, 41592523), (595, 33903149), (679, 29708945), (833, 24216535), (1019, 19796245), (1649, 12233095), (1715, 11762317), (2401, 8401655), (3395, 5941789), (4165, 4843307), (4753, 4244135), (5095, 3959249), (5831, 3459505), (7133, 2828035), (8245, 2446619), (11543, 1747585), (12005, 1680331), (17323, 1164485), (23765, 848827), (29155, 691901), (33271, 606305), (35665, 565607), (40817, 494215), (49931, 404005), (57715, 349517), (80801, 249655), (86615, 232897), (98843, 204085), (121261, 166355)]