20449324

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22451156

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 82, 94, 164, 188, 287, 329, 379, 574, 658, 758, 1148, 1316, 1516, 1927, 2653, 3854, 5306, 7708, 10612, 13489, 15539, 17813, 26978, 31078, 35626, 53956, 62156, 71252, 108773, 124691, 217546, 249382, 435092, 498764, 730333, 1460666, 2921332, 5112331, 10224662, 20449324]

約数ペア:

[(1, 20449324), (2, 10224662), (4, 5112331), (7, 2921332), (14, 1460666), (28, 730333), (41, 498764), (47, 435092), (82, 249382), (94, 217546), (164, 124691), (188, 108773), (287, 71252), (329, 62156), (379, 53956), (574, 35626), (658, 31078), (758, 26978), (1148, 17813), (1316, 15539), (1516, 13489), (1927, 10612), (2653, 7708), (3854, 5306)]