20917050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1811}}^1$

素因数の和:1844

約数の個数: 96

約数和(自身を含む): 64710144

約数和(自身を除く): 43793094

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 75, 77, 105, 110, 150, 154, 165, 175, 210, 231, 275, 330, 350, 385, 462, 525, 550, 770, 825, 1050, 1155, 1650, 1811, 1925, 2310, 3622, 3850, 5433, 5775, 9055, 10866, 11550, 12677, 18110, 19921, 25354, 27165, 38031, 39842, 45275, 54330, 59763, 63385, 76062, 90550, 99605, 119526, 126770, 135825, 139447, 190155, 199210, 271650, 278894, 298815, 316925, 380310, 418341, 498025, 597630, 633850, 697235, 836682, 950775, 996050, 1394470, 1494075, 1901550, 2091705, 2988150, 3486175, 4183410, 6972350, 10458525, 20917050]

約数ペア:

[(1, 20917050), (2, 10458525), (3, 6972350), (5, 4183410), (6, 3486175), (7, 2988150), (10, 2091705), (11, 1901550), (14, 1494075), (15, 1394470), (21, 996050), (22, 950775), (25, 836682), (30, 697235), (33, 633850), (35, 597630), (42, 498025), (50, 418341), (55, 380310), (66, 316925), (70, 298815), (75, 278894), (77, 271650), (105, 199210), (110, 190155), (150, 139447), (154, 135825), (165, 126770), (175, 119526), (210, 99605), (231, 90550), (275, 76062), (330, 63385), (350, 59763), (385, 54330), (462, 45275), (525, 39842), (550, 38031), (770, 27165), (825, 25354), (1050, 19921), (1155, 18110), (1650, 12677), (1811, 11550), (1925, 10866), (2310, 9055), (3622, 5775), (3850, 5433)]