20254990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17021}}^1$

素因数の和:17052

約数の個数: 32

約数和(自身を含む): 44121024

約数和(自身を除く): 23866034

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17021, 34042, 85105, 119147, 170210, 238294, 289357, 578714, 595735, 1191470, 1446785, 2025499, 2893570, 4050998, 10127495, 20254990]

約数ペア:

[(1, 20254990), (2, 10127495), (5, 4050998), (7, 2893570), (10, 2025499), (14, 1446785), (17, 1191470), (34, 595735), (35, 578714), (70, 289357), (85, 238294), (119, 170210), (170, 119147), (238, 85105), (595, 34042), (1190, 17021)]