20601658

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 40629600

約数和(自身を除く): 20027942

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 406, 539, 638, 659, 1078, 1318, 1421, 2233, 2842, 4466, 4613, 7249, 9226, 14498, 15631, 19111, 31262, 32291, 38222, 50743, 64582, 101486, 133777, 210221, 267554, 355201, 420442, 710402, 936439, 1471547, 1872878, 2943094, 10300829, 20601658]

約数ペア:

[(1, 20601658), (2, 10300829), (7, 2943094), (11, 1872878), (14, 1471547), (22, 936439), (29, 710402), (49, 420442), (58, 355201), (77, 267554), (98, 210221), (154, 133777), (203, 101486), (319, 64582), (406, 50743), (539, 38222), (638, 32291), (659, 31262), (1078, 19111), (1318, 15631), (1421, 14498), (2233, 9226), (2842, 7249), (4466, 4613)]