201889780

素因数分解:

$2^2\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{7607}}^1$

素因数の和:8943

約数の個数: 24

約数和(自身を含む): 424343808

約数和(自身を除く): 222454028

約数列:

[1, 2, 4, 5, 10, 20, 1327, 2654, 5308, 6635, 7607, 13270, 15214, 26540, 30428, 38035, 76070, 152140, 10094489, 20188978, 40377956, 50472445, 100944890, 201889780]

約数ペア:

[(1, 201889780), (2, 100944890), (4, 50472445), (5, 40377956), (10, 20188978), (20, 10094489), (1327, 152140), (2654, 76070), (5308, 38035), (6635, 30428), (7607, 26540), (13270, 15214)]