20954882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1223}}^1$

素因数の和:1897

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 12974398

約数列:

[1, 2, 13, 26, 659, 1223, 1318, 2446, 8567, 15899, 17134, 31798, 805957, 1611914, 10477441, 20954882]

約数ペア:

[(1, 20954882), (2, 10477441), (13, 1611914), (26, 805957), (659, 31798), (1223, 17134), (1318, 15899), (2446, 8567)]