20348951

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 24536064

約数和(自身を除く): 4187113

約数列:

[1, 7, 23, 97, 161, 679, 1303, 2231, 9121, 15617, 29969, 126391, 209783, 884737, 2906993, 20348951]

約数ペア:

[(1, 20348951), (7, 2906993), (23, 884737), (97, 209783), (161, 126391), (679, 29969), (1303, 15617), (2231, 9121)]