20686443376

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6127501}}^1$

素因数の和:6127720

約数の個数: 20

約数和(自身を含む): 40269943144

約数和(自身を除く): 19583499768

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6127501, 12255002, 24510004, 49020008, 98040016, 1292902711, 2585805422, 5171610844, 10343221688, 20686443376]

約数ペア:

[(1, 20686443376), (2, 10343221688), (4, 5171610844), (8, 2585805422), (16, 1292902711), (211, 98040016), (422, 49020008), (844, 24510004), (1688, 12255002), (3376, 6127501)]