20993100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 66662400

約数和(自身を除く): 45669300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 29, 30, 38, 50, 57, 58, 60, 75, 76, 87, 95, 100, 114, 116, 127, 145, 150, 174, 190, 228, 254, 285, 290, 300, 348, 380, 381, 435, 475, 508, 551, 570, 580, 635, 725, 762, 870, 950, 1102, 1140, 1270, 1425, 1450, 1524, 1653, 1740, 1900, 1905, 2175, 2204, 2413, 2540, 2755, 2850, 2900, 3175, 3306, 3683, 3810, 4350, 4826, 5510, 5700, 6350, 6612, 7239, 7366, 7620, 8265, 8700, 9525, 9652, 11020, 11049, 12065, 12700, 13775, 14478, 14732, 16530, 18415, 19050, 22098, 24130, 27550, 28956, 33060, 36195, 36830, 38100, 41325, 44196, 48260, 55100, 55245, 60325, 69977, 72390, 73660, 82650, 92075, 110490, 120650, 139954, 144780, 165300, 180975, 184150, 209931, 220980, 241300, 276225, 279908, 349885, 361950, 368300, 419862, 552450, 699770, 723900, 839724, 1049655, 1104900, 1399540, 1749425, 2099310, 3498850, 4198620, 5248275, 6997700, 10496550, 20993100]

約数ペア:

[(1, 20993100), (2, 10496550), (3, 6997700), (4, 5248275), (5, 4198620), (6, 3498850), (10, 2099310), (12, 1749425), (15, 1399540), (19, 1104900), (20, 1049655), (25, 839724), (29, 723900), (30, 699770), (38, 552450), (50, 419862), (57, 368300), (58, 361950), (60, 349885), (75, 279908), (76, 276225), (87, 241300), (95, 220980), (100, 209931), (114, 184150), (116, 180975), (127, 165300), (145, 144780), (150, 139954), (174, 120650), (190, 110490), (228, 92075), (254, 82650), (285, 73660), (290, 72390), (300, 69977), (348, 60325), (380, 55245), (381, 55100), (435, 48260), (475, 44196), (508, 41325), (551, 38100), (570, 36830), (580, 36195), (635, 33060), (725, 28956), (762, 27550), (870, 24130), (950, 22098), (1102, 19050), (1140, 18415), (1270, 16530), (1425, 14732), (1450, 14478), (1524, 13775), (1653, 12700), (1740, 12065), (1900, 11049), (1905, 11020), (2175, 9652), (2204, 9525), (2413, 8700), (2540, 8265), (2755, 7620), (2850, 7366), (2900, 7239), (3175, 6612), (3306, 6350), (3683, 5700), (3810, 5510), (4350, 4826)]