20187310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 24809810

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 743, 1045, 1235, 1430, 1486, 2090, 2470, 2717, 3715, 5434, 7430, 8173, 9659, 13585, 14117, 16346, 19318, 27170, 28234, 40865, 48295, 70585, 81730, 96590, 106249, 141170, 155287, 183521, 212498, 310574, 367042, 531245, 776435, 917605, 1062490, 1552870, 1835210, 2018731, 4037462, 10093655, 20187310]

約数ペア:

[(1, 20187310), (2, 10093655), (5, 4037462), (10, 2018731), (11, 1835210), (13, 1552870), (19, 1062490), (22, 917605), (26, 776435), (38, 531245), (55, 367042), (65, 310574), (95, 212498), (110, 183521), (130, 155287), (143, 141170), (190, 106249), (209, 96590), (247, 81730), (286, 70585), (418, 48295), (494, 40865), (715, 28234), (743, 27170), (1045, 19318), (1235, 16346), (1430, 14117), (1486, 13585), (2090, 9659), (2470, 8173), (2717, 7430), (3715, 5434)]