20807241

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 13599159

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 383, 597, 1149, 1393, 2587, 2681, 4179, 4979, 7761, 8043, 14937, 18109, 34853, 54327, 76217, 104559, 228651, 533519, 990821, 1600557, 2972463, 6935747, 20807241]

約数ペア:

[(1, 20807241), (3, 6935747), (7, 2972463), (13, 1600557), (21, 990821), (39, 533519), (91, 228651), (199, 104559), (273, 76217), (383, 54327), (597, 34853), (1149, 18109), (1393, 14937), (2587, 8043), (2681, 7761), (4179, 4979)]