20819692

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2333}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 38426976

約数和(自身を除く): 17607284

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 2333, 4462, 4666, 8924, 9332, 53659, 107318, 214636, 226301, 452602, 905204, 5204923, 10409846, 20819692]

約数ペア:

[(1, 20819692), (2, 10409846), (4, 5204923), (23, 905204), (46, 452602), (92, 226301), (97, 214636), (194, 107318), (388, 53659), (2231, 9332), (2333, 8924), (4462, 4666)]