20860726159

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1\times {\mathrm{3559}}^1$

素因数の和:5191

約数の個数: 32

約数和(自身を含む): 26325089280

約数和(自身を除く): 5464363121

約数列:

[1, 7, 13, 41, 91, 287, 533, 1571, 3559, 3731, 10997, 20423, 24913, 46267, 64411, 142961, 145919, 323869, 450877, 837343, 1021433, 1896947, 5591189, 5861401, 13278629, 39138323, 72685457, 229238749, 508798199, 1604671243, 2980103737, 20860726159]

約数ペア:

[(1, 20860726159), (7, 2980103737), (13, 1604671243), (41, 508798199), (91, 229238749), (287, 72685457), (533, 39138323), (1571, 13278629), (3559, 5861401), (3731, 5591189), (10997, 1896947), (20423, 1021433), (24913, 837343), (46267, 450877), (64411, 323869), (142961, 145919)]