20541406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19489}}^1$

素因数の和:19539

約数の個数: 16

約数和(自身を含む): 33678720

約数和(自身を除く): 13137314

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 19489, 38978, 331313, 604159, 662626, 1208318, 10270703, 20541406]

約数ペア:

[(1, 20541406), (2, 10270703), (17, 1208318), (31, 662626), (34, 604159), (62, 331313), (527, 38978), (1054, 19489)]