20161993827

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1\times {\mathrm{5573}}^1$

素因数の和:6123

約数の個数: 32

約数和(自身を含む): 28018045440

約数和(自身を除く): 7856051613

約数列:

[1, 3, 41, 67, 123, 201, 439, 1317, 2747, 5573, 8241, 16719, 17999, 29413, 53997, 88239, 228493, 373391, 685479, 1120173, 1205933, 2446547, 3617799, 7339641, 15309031, 45927093, 100308427, 163918649, 300925281, 491755947, 6720664609, 20161993827]

約数ペア:

[(1, 20161993827), (3, 6720664609), (41, 491755947), (67, 300925281), (123, 163918649), (201, 100308427), (439, 45927093), (1317, 15309031), (2747, 7339641), (5573, 3617799), (8241, 2446547), (16719, 1205933), (17999, 1120173), (29413, 685479), (53997, 373391), (88239, 228493)]