20199291945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1764901}}^1$

素因数の和:1765025

約数の個数: 32

約数和(自身を含む): 37274730240

約数和(自身を除く): 17075438295

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 327, 545, 763, 1635, 2289, 3815, 11445, 1764901, 5294703, 8824505, 12354307, 26473515, 37062921, 61771535, 185314605, 192374209, 577122627, 961871045, 1346619463, 2885613135, 4039858389, 6733097315, 20199291945]

約数ペア:

[(1, 20199291945), (3, 6733097315), (5, 4039858389), (7, 2885613135), (15, 1346619463), (21, 961871045), (35, 577122627), (105, 192374209), (109, 185314605), (327, 61771535), (545, 37062921), (763, 26473515), (1635, 12354307), (2289, 8824505), (3815, 5294703), (11445, 1764901)]