202071020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325921}}^1$

素因数の和:325961

約数の個数: 24

約数和(自身を含む): 438039168

約数和(自身を除く): 235968148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325921, 651842, 1303684, 1629605, 3259210, 6518420, 10103551, 20207102, 40414204, 50517755, 101035510, 202071020]

約数ペア:

[(1, 202071020), (2, 101035510), (4, 50517755), (5, 40414204), (10, 20207102), (20, 10103551), (31, 6518420), (62, 3259210), (124, 1629605), (155, 1303684), (310, 651842), (620, 325921)]