17393020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21211}}^1$

素因数の和:21261

約数の個数: 24

約数和(自身を含む): 37417968

約数和(自身を除く): 20024948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21211, 42422, 84844, 106055, 212110, 424220, 869651, 1739302, 3478604, 4348255, 8696510, 17393020]

約数ペア:

[(1, 17393020), (2, 8696510), (4, 4348255), (5, 3478604), (10, 1739302), (20, 869651), (41, 424220), (82, 212110), (164, 106055), (205, 84844), (410, 42422), (820, 21211)]