20809140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 96

約数和(自身を含む): 65197440

約数和(自身を除く): 44388300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 110, 123, 132, 164, 165, 205, 220, 246, 330, 410, 451, 492, 615, 660, 769, 820, 902, 1230, 1353, 1538, 1804, 2255, 2307, 2460, 2706, 3076, 3845, 4510, 4614, 5412, 6765, 7690, 8459, 9020, 9228, 11535, 13530, 15380, 16918, 23070, 25377, 27060, 31529, 33836, 42295, 46140, 50754, 63058, 84590, 94587, 101508, 126116, 126885, 157645, 169180, 189174, 253770, 315290, 346819, 378348, 472935, 507540, 630580, 693638, 945870, 1040457, 1387276, 1734095, 1891740, 2080914, 3468190, 4161828, 5202285, 6936380, 10404570, 20809140]

約数ペア:

[(1, 20809140), (2, 10404570), (3, 6936380), (4, 5202285), (5, 4161828), (6, 3468190), (10, 2080914), (11, 1891740), (12, 1734095), (15, 1387276), (20, 1040457), (22, 945870), (30, 693638), (33, 630580), (41, 507540), (44, 472935), (55, 378348), (60, 346819), (66, 315290), (82, 253770), (110, 189174), (123, 169180), (132, 157645), (164, 126885), (165, 126116), (205, 101508), (220, 94587), (246, 84590), (330, 63058), (410, 50754), (451, 46140), (492, 42295), (615, 33836), (660, 31529), (769, 27060), (820, 25377), (902, 23070), (1230, 16918), (1353, 15380), (1538, 13530), (1804, 11535), (2255, 9228), (2307, 9020), (2460, 8459), (2706, 7690), (3076, 6765), (3845, 5412), (4510, 4614)]