16920078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{402859}}^1$

素因数の和:402871

約数の個数: 16

約数和(自身を含む): 38674560

約数和(自身を除く): 21754482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 402859, 805718, 1208577, 2417154, 2820013, 5640026, 8460039, 16920078]

約数ペア:

[(1, 16920078), (2, 8460039), (3, 5640026), (6, 2820013), (7, 2417154), (14, 1208577), (21, 805718), (42, 402859)]