20983300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16141}}^1$

素因数の和:16168

約数の個数: 36

約数和(自身を含む): 49039396

約数和(自身を除く): 28056096

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16141, 32282, 64564, 80705, 161410, 209833, 322820, 403525, 419666, 807050, 839332, 1049165, 1614100, 2098330, 4196660, 5245825, 10491650, 20983300]

約数ペア:

[(1, 20983300), (2, 10491650), (4, 5245825), (5, 4196660), (10, 2098330), (13, 1614100), (20, 1049165), (25, 839332), (26, 807050), (50, 419666), (52, 403525), (65, 322820), (100, 209833), (130, 161410), (260, 80705), (325, 64564), (650, 32282), (1300, 16141)]