20803974

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4451}}^1$

素因数の和:4516

約数の個数: 32

約数和(自身を含む): 44876160

約数和(自身を除く): 24072186

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 114, 123, 246, 779, 1558, 2337, 4451, 4674, 8902, 13353, 26706, 84569, 169138, 182491, 253707, 364982, 507414, 547473, 1094946, 3467329, 6934658, 10401987, 20803974]

約数ペア:

[(1, 20803974), (2, 10401987), (3, 6934658), (6, 3467329), (19, 1094946), (38, 547473), (41, 507414), (57, 364982), (82, 253707), (114, 182491), (123, 169138), (246, 84569), (779, 26706), (1558, 13353), (2337, 8902), (4451, 4674)]