20154496557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1321693}}^1$

素因数の和:1321749

約数の個数: 32

約数和(自身を含む): 31974421248

約数和(自身を除く): 11819924691

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 5083, 15249, 1321693, 3965079, 17182009, 22468781, 30398939, 51546027, 67406343, 91196817, 292094153, 395186207, 516781963, 876282459, 1185558621, 1550345889, 6718165519, 20154496557]

約数ペア:

[(1, 20154496557), (3, 6718165519), (13, 1550345889), (17, 1185558621), (23, 876282459), (39, 516781963), (51, 395186207), (69, 292094153), (221, 91196817), (299, 67406343), (391, 51546027), (663, 30398939), (897, 22468781), (1173, 17182009), (5083, 3965079), (15249, 1321693)]