20434545

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4091}}^1$

素因数の和:4142

約数の個数: 32

約数和(自身を含む): 37319040

約数和(自身を除く): 16884495

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4091, 4995, 12273, 20455, 36819, 61365, 110457, 151367, 184095, 454101, 552285, 756835, 1362303, 2270505, 4086909, 6811515, 20434545]

約数ペア:

[(1, 20434545), (3, 6811515), (5, 4086909), (9, 2270505), (15, 1362303), (27, 756835), (37, 552285), (45, 454101), (111, 184095), (135, 151367), (185, 110457), (333, 61365), (555, 36819), (999, 20455), (1665, 12273), (4091, 4995)]