20973854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1873}}^1$

素因数の和:2395

約数の個数: 16

約数和(自身を含む): 34406640

約数和(自身を除く): 13432786

約数列:

[1, 2, 11, 22, 509, 1018, 1873, 3746, 5599, 11198, 20603, 41206, 953357, 1906714, 10486927, 20973854]

約数ペア:

[(1, 20973854), (2, 10486927), (11, 1906714), (22, 953357), (509, 41206), (1018, 20603), (1873, 11198), (3746, 5599)]