20281569364

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2927}}^1\times {\mathrm{14557}}^1$

素因数の和:17512

約数の個数: 48

約数和(自身を含む): 42966830592

約数和(自身を除く): 22685261228

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 2927, 5854, 11708, 14557, 20489, 29114, 40978, 49759, 58228, 81956, 99518, 101899, 199036, 203798, 247469, 348313, 407596, 494938, 696626, 989876, 1393252, 1732283, 3464566, 6929132, 42608339, 85216678, 170433356, 298258373, 596516746, 724341763, 1193033492, 1448683526, 2897367052, 5070392341, 10140784682, 20281569364]

約数ペア:

[(1, 20281569364), (2, 10140784682), (4, 5070392341), (7, 2897367052), (14, 1448683526), (17, 1193033492), (28, 724341763), (34, 596516746), (68, 298258373), (119, 170433356), (238, 85216678), (476, 42608339), (2927, 6929132), (5854, 3464566), (11708, 1732283), (14557, 1393252), (20489, 989876), (29114, 696626), (40978, 494938), (49759, 407596), (58228, 348313), (81956, 247469), (99518, 203798), (101899, 199036)]