20197780915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1\times {\mathrm{10501}}^1$

素因数の和:10879

約数の個数: 32

約数和(自身を含む): 26422695936

約数和(自身を除く): 6224915021

約数列:

[1, 5, 13, 65, 127, 233, 635, 1165, 1651, 3029, 8255, 10501, 15145, 29591, 52505, 136513, 147955, 384683, 682565, 1333627, 1923415, 2446733, 6668135, 12233665, 17337151, 31807529, 86685755, 159037645, 310735091, 1553675455, 4039556183, 20197780915]

約数ペア:

[(1, 20197780915), (5, 4039556183), (13, 1553675455), (65, 310735091), (127, 159037645), (233, 86685755), (635, 31807529), (1165, 17337151), (1651, 12233665), (3029, 6668135), (8255, 2446733), (10501, 1923415), (15145, 1333627), (29591, 682565), (52505, 384683), (136513, 147955)]