20356845

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 34269312

約数和(自身を除く): 13912467

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 853, 1591, 2559, 4265, 4773, 7955, 12795, 23865, 31561, 36679, 94683, 110037, 157805, 183395, 473415, 550185, 1357123, 4071369, 6785615, 20356845]

約数ペア:

[(1, 20356845), (3, 6785615), (5, 4071369), (15, 1357123), (37, 550185), (43, 473415), (111, 183395), (129, 157805), (185, 110037), (215, 94683), (555, 36679), (645, 31561), (853, 23865), (1591, 12795), (2559, 7955), (4265, 4773)]