20408822512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98119339}}^1$

素因数の和:98119360

約数の個数: 20

約数和(自身を含む): 42583793560

約数和(自身を除く): 22174971048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98119339, 196238678, 392477356, 784954712, 1275551407, 1569909424, 2551102814, 5102205628, 10204411256, 20408822512]

約数ペア:

[(1, 20408822512), (2, 10204411256), (4, 5102205628), (8, 2551102814), (13, 1569909424), (16, 1275551407), (26, 784954712), (52, 392477356), (104, 196238678), (208, 98119339)]