19927740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2791}}^1$

素因数の和:2827

約数の個数: 96

約数和(自身を含む): 67544064

約数和(自身を除く): 47616324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2791, 3570, 5582, 7140, 8373, 11164, 13955, 16746, 19537, 27910, 33492, 39074, 41865, 47447, 55820, 58611, 78148, 83730, 94894, 97685, 117222, 142341, 167460, 189788, 195370, 234444, 237235, 284682, 293055, 332129, 390740, 474470, 569364, 586110, 664258, 711705, 948940, 996387, 1172220, 1328516, 1423410, 1660645, 1992774, 2846820, 3321290, 3985548, 4981935, 6642580, 9963870, 19927740]

約数ペア:

[(1, 19927740), (2, 9963870), (3, 6642580), (4, 4981935), (5, 3985548), (6, 3321290), (7, 2846820), (10, 1992774), (12, 1660645), (14, 1423410), (15, 1328516), (17, 1172220), (20, 996387), (21, 948940), (28, 711705), (30, 664258), (34, 586110), (35, 569364), (42, 474470), (51, 390740), (60, 332129), (68, 293055), (70, 284682), (84, 237235), (85, 234444), (102, 195370), (105, 189788), (119, 167460), (140, 142341), (170, 117222), (204, 97685), (210, 94894), (238, 83730), (255, 78148), (340, 58611), (357, 55820), (420, 47447), (476, 41865), (510, 39074), (595, 33492), (714, 27910), (1020, 19537), (1190, 16746), (1428, 13955), (1785, 11164), (2380, 8373), (2791, 7140), (3570, 5582)]