20615705979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1753}}^1\times {\mathrm{20963}}^1$

素因数の和:22747

約数の個数: 32

約数和(自身を含む): 31770019584

約数和(自身を除く): 11154313605

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 1753, 5259, 19283, 20963, 29801, 57849, 62889, 89403, 230593, 327811, 356371, 691779, 983433, 1069113, 3920081, 11760243, 36748139, 110244417, 404229529, 624718363, 1212688587, 1874155089, 6871901993, 20615705979]

約数ペア:

[(1, 20615705979), (3, 6871901993), (11, 1874155089), (17, 1212688587), (33, 624718363), (51, 404229529), (187, 110244417), (561, 36748139), (1753, 11760243), (5259, 3920081), (19283, 1069113), (20963, 983433), (29801, 691779), (57849, 356371), (62889, 327811), (89403, 230593)]