20189085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4091}}^1$

素因数の和:4153

約数の個数: 32

約数和(自身を含む): 37711872

約数和(自身を除く): 17522787

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4091, 4935, 12273, 20455, 28637, 61365, 85911, 143185, 192277, 429555, 576831, 961385, 1345939, 2884155, 4037817, 6729695, 20189085]

約数ペア:

[(1, 20189085), (3, 6729695), (5, 4037817), (7, 2884155), (15, 1345939), (21, 961385), (35, 576831), (47, 429555), (105, 192277), (141, 143185), (235, 85911), (329, 61365), (705, 28637), (987, 20455), (1645, 12273), (4091, 4935)]