20302005

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20201}}^1$

素因数の和:20276

約数の個数: 16

約数和(自身を含む): 32969664

約数和(自身を除く): 12667659

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 20201, 60603, 101005, 303015, 1353467, 4060401, 6767335, 20302005]

約数ペア:

[(1, 20302005), (3, 6767335), (5, 4060401), (15, 1353467), (67, 303015), (201, 101005), (335, 60603), (1005, 20201)]