20218398728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1409537}}^1$

素因数の和:1409717

約数の個数: 32

約数和(自身を含む): 41609561760

約数和(自身を除く): 21391163032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1793, 3586, 7172, 14344, 1409537, 2819074, 5638148, 11276296, 15504907, 31009814, 62019628, 124039256, 229754531, 459509062, 919018124, 1838036248, 2527299841, 5054599682, 10109199364, 20218398728]

約数ペア:

[(1, 20218398728), (2, 10109199364), (4, 5054599682), (8, 2527299841), (11, 1838036248), (22, 919018124), (44, 459509062), (88, 229754531), (163, 124039256), (326, 62019628), (652, 31009814), (1304, 15504907), (1793, 11276296), (3586, 5638148), (7172, 2819074), (14344, 1409537)]