20853826485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2523149}}^1$

素因数の和:2523205

約数の個数: 32

約数和(自身を含む): 36333360000

約数和(自身を除く): 15479533515

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 2523149, 7569447, 12615745, 37847235, 47939831, 73171321, 143819493, 219513963, 239699155, 365856605, 719097465, 1097569815, 1390255099, 4170765297, 6951275495, 20853826485]

約数ペア:

[(1, 20853826485), (3, 6951275495), (5, 4170765297), (15, 1390255099), (19, 1097569815), (29, 719097465), (57, 365856605), (87, 239699155), (95, 219513963), (145, 143819493), (285, 73171321), (435, 47939831), (551, 37847235), (1653, 12615745), (2755, 7569447), (8265, 2523149)]