20689586

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 34145280

約数和(自身を除く): 13455694

約数列:

[1, 2, 29, 31, 37, 58, 62, 74, 311, 622, 899, 1073, 1147, 1798, 2146, 2294, 9019, 9641, 11507, 18038, 19282, 23014, 33263, 66526, 279589, 333703, 356717, 559178, 667406, 713434, 10344793, 20689586]

約数ペア:

[(1, 20689586), (2, 10344793), (29, 713434), (31, 667406), (37, 559178), (58, 356717), (62, 333703), (74, 279589), (311, 66526), (622, 33263), (899, 23014), (1073, 19282), (1147, 18038), (1798, 11507), (2146, 9641), (2294, 9019)]