20654700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{569}}^1$

素因数の和:608

約数の個数: 108

約数和(自身を含む): 65803080

約数和(自身を除く): 45148380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 121, 132, 150, 165, 220, 242, 275, 300, 330, 363, 484, 550, 569, 605, 660, 726, 825, 1100, 1138, 1210, 1452, 1650, 1707, 1815, 2276, 2420, 2845, 3025, 3300, 3414, 3630, 5690, 6050, 6259, 6828, 7260, 8535, 9075, 11380, 12100, 12518, 14225, 17070, 18150, 18777, 25036, 28450, 31295, 34140, 36300, 37554, 42675, 56900, 62590, 68849, 75108, 85350, 93885, 125180, 137698, 156475, 170700, 187770, 206547, 275396, 312950, 344245, 375540, 413094, 469425, 625900, 688490, 826188, 938850, 1032735, 1376980, 1721225, 1877700, 2065470, 3442450, 4130940, 5163675, 6884900, 10327350, 20654700]

約数ペア:

[(1, 20654700), (2, 10327350), (3, 6884900), (4, 5163675), (5, 4130940), (6, 3442450), (10, 2065470), (11, 1877700), (12, 1721225), (15, 1376980), (20, 1032735), (22, 938850), (25, 826188), (30, 688490), (33, 625900), (44, 469425), (50, 413094), (55, 375540), (60, 344245), (66, 312950), (75, 275396), (100, 206547), (110, 187770), (121, 170700), (132, 156475), (150, 137698), (165, 125180), (220, 93885), (242, 85350), (275, 75108), (300, 68849), (330, 62590), (363, 56900), (484, 42675), (550, 37554), (569, 36300), (605, 34140), (660, 31295), (726, 28450), (825, 25036), (1100, 18777), (1138, 18150), (1210, 17070), (1452, 14225), (1650, 12518), (1707, 12100), (1815, 11380), (2276, 9075), (2420, 8535), (2845, 7260), (3025, 6828), (3300, 6259), (3414, 6050), (3630, 5690)]