20157564214

素因数分解:

$2^1\times {\mathrm{257}}^1\times {\mathrm{1951}}^1\times {\mathrm{20101}}^1$

素因数の和:22311

約数の個数: 16

約数和(自身を含む): 30371066496

約数和(自身を除く): 10213502282

約数列:

[1, 2, 257, 514, 1951, 3902, 20101, 40202, 501407, 1002814, 5165957, 10331914, 39217051, 78434102, 10078782107, 20157564214]

約数ペア:

[(1, 20157564214), (2, 10078782107), (257, 78434102), (514, 39217051), (1951, 10331914), (3902, 5165957), (20101, 1002814), (40202, 501407)]