16908020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27271}}^1$

素因数の和:27311

約数の個数: 24

約数和(自身を含む): 36653568

約数和(自身を除く): 19745548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 27271, 54542, 109084, 136355, 272710, 545420, 845401, 1690802, 3381604, 4227005, 8454010, 16908020]

約数ペア:

[(1, 16908020), (2, 8454010), (4, 4227005), (5, 3381604), (10, 1690802), (20, 845401), (31, 545420), (62, 272710), (124, 136355), (155, 109084), (310, 54542), (620, 27271)]