2020206815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{853}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 2831522400

約数和(自身を除く): 811315585

約数列:

[1, 5, 11, 17, 55, 85, 149, 187, 289, 745, 853, 935, 1445, 1639, 2533, 3179, 4265, 8195, 9383, 12665, 14501, 15895, 27863, 43061, 46915, 72505, 127097, 139315, 159511, 215305, 246517, 473671, 635485, 797555, 1232585, 1398067, 2160649, 2368355, 2711687, 6990335, 10803245, 13558435, 23767139, 36731033, 118835695, 183655165, 404041363, 2020206815]

約数ペア:

[(1, 2020206815), (5, 404041363), (11, 183655165), (17, 118835695), (55, 36731033), (85, 23767139), (149, 13558435), (187, 10803245), (289, 6990335), (745, 2711687), (853, 2368355), (935, 2160649), (1445, 1398067), (1639, 1232585), (2533, 797555), (3179, 635485), (4265, 473671), (8195, 246517), (9383, 215305), (12665, 159511), (14501, 139315), (15895, 127097), (27863, 72505), (43061, 46915)]