20172894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1051}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 46254336

約数和(自身を除く): 26081442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 1051, 1371, 2102, 2742, 3153, 3199, 6306, 6398, 7357, 9597, 14714, 19194, 22071, 44142, 480307, 960614, 1440921, 2881842, 3362149, 6724298, 10086447, 20172894]

約数ペア:

[(1, 20172894), (2, 10086447), (3, 6724298), (6, 3362149), (7, 2881842), (14, 1440921), (21, 960614), (42, 480307), (457, 44142), (914, 22071), (1051, 19194), (1371, 14714), (2102, 9597), (2742, 7357), (3153, 6398), (3199, 6306)]