20189954896

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{3343}}^1\times {\mathrm{3463}}^1$

素因数の和:6923

約数の個数: 40

約数和(自身を含む): 39500130560

約数和(自身を除く): 19310175664

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 3343, 3463, 6686, 6926, 13372, 13852, 26744, 27704, 53488, 55408, 364387, 377467, 728774, 754934, 1457548, 1509868, 2915096, 3019736, 5830192, 6039472, 11576809, 23153618, 46307236, 92614472, 185228944, 1261872181, 2523744362, 5047488724, 10094977448, 20189954896]

約数ペア:

[(1, 20189954896), (2, 10094977448), (4, 5047488724), (8, 2523744362), (16, 1261872181), (109, 185228944), (218, 92614472), (436, 46307236), (872, 23153618), (1744, 11576809), (3343, 6039472), (3463, 5830192), (6686, 3019736), (6926, 2915096), (13372, 1509868), (13852, 1457548), (26744, 754934), (27704, 728774), (53488, 377467), (55408, 364387)]