17920340

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2707}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 37760352

約数和(自身を除く): 19840012

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2707, 3310, 5414, 6620, 10828, 13535, 27070, 54140, 896017, 1792034, 3584068, 4480085, 8960170, 17920340]

約数ペア:

[(1, 17920340), (2, 8960170), (4, 4480085), (5, 3584068), (10, 1792034), (20, 896017), (331, 54140), (662, 27070), (1324, 13535), (1655, 10828), (2707, 6620), (3310, 5414)]