12820364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3923}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 24171840

約数和(自身を除く): 11351476

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 3923, 7846, 15692, 74537, 149074, 168689, 298148, 337378, 674756, 3205091, 6410182, 12820364]

約数ペア:

[(1, 12820364), (2, 6410182), (4, 3205091), (19, 674756), (38, 337378), (43, 298148), (76, 168689), (86, 149074), (172, 74537), (817, 15692), (1634, 7846), (3268, 3923)]