20788309633

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{299401}}^1$

素因数の和:299537

約数の個数: 24

約数和(自身を含む): 26281507560

約数和(自身を除く): 5493197927

約数列:

[1, 7, 13, 49, 91, 109, 637, 763, 1417, 5341, 9919, 69433, 299401, 2095807, 3892213, 14670649, 27245491, 32634709, 190718437, 228442963, 424251217, 1599100741, 2969758519, 20788309633]

約数ペア:

[(1, 20788309633), (7, 2969758519), (13, 1599100741), (49, 424251217), (91, 228442963), (109, 190718437), (637, 32634709), (763, 27245491), (1417, 14670649), (5341, 3892213), (9919, 2095807), (69433, 299401)]