16823020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6421}}^1$

素因数の和:6561

約数の個数: 24

約数和(自身を含む): 35603568

約数和(自身を除く): 18780548

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6421, 12842, 25684, 32105, 64210, 128420, 841151, 1682302, 3364604, 4205755, 8411510, 16823020]

約数ペア:

[(1, 16823020), (2, 8411510), (4, 4205755), (5, 3364604), (10, 1682302), (20, 841151), (131, 128420), (262, 64210), (524, 32105), (655, 25684), (1310, 12842), (2620, 6421)]