20199700312

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{1867}}^1\times {\mathrm{11177}}^1$

素因数の和:13072

約数の個数: 48

約数和(自身を含む): 41656605480

約数和(自身を除く): 21456905168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1867, 3734, 7468, 11177, 14936, 20537, 22354, 41074, 44708, 82148, 89416, 122947, 164296, 225907, 245894, 451814, 491788, 903628, 983576, 1352417, 1807256, 2704834, 5409668, 10819336, 20867459, 41734918, 83469836, 166939672, 229542049, 459084098, 918168196, 1836336392, 2524962539, 5049925078, 10099850156, 20199700312]

約数ペア:

[(1, 20199700312), (2, 10099850156), (4, 5049925078), (8, 2524962539), (11, 1836336392), (22, 918168196), (44, 459084098), (88, 229542049), (121, 166939672), (242, 83469836), (484, 41734918), (968, 20867459), (1867, 10819336), (3734, 5409668), (7468, 2704834), (11177, 1807256), (14936, 1352417), (20537, 983576), (22354, 903628), (41074, 491788), (44708, 451814), (82148, 245894), (89416, 225907), (122947, 164296)]