20190760

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{773}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 45557640

約数和(自身を除く): 25366880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 773, 1306, 1546, 2612, 3092, 3265, 3865, 5224, 6184, 6530, 7730, 13060, 15460, 26120, 30920, 504769, 1009538, 2019076, 2523845, 4038152, 5047690, 10095380, 20190760]

約数ペア:

[(1, 20190760), (2, 10095380), (4, 5047690), (5, 4038152), (8, 2523845), (10, 2019076), (20, 1009538), (40, 504769), (653, 30920), (773, 26120), (1306, 15460), (1546, 13060), (2612, 7730), (3092, 6530), (3265, 6184), (3865, 5224)]