16691020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26921}}^1$

素因数の和:26961

約数の個数: 24

約数和(自身を含む): 36183168

約数和(自身を除く): 19492148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26921, 53842, 107684, 134605, 269210, 538420, 834551, 1669102, 3338204, 4172755, 8345510, 16691020]

約数ペア:

[(1, 16691020), (2, 8345510), (4, 4172755), (5, 3338204), (10, 1669102), (20, 834551), (31, 538420), (62, 269210), (124, 134605), (155, 107684), (310, 53842), (620, 26921)]