201620380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59651}}^1$

素因数の和:59686

約数の個数: 36

約数和(自身を含む): 458485272

約数和(自身を除く): 256864892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 59651, 119302, 238604, 298255, 596510, 775463, 1193020, 1550926, 3101852, 3877315, 7754630, 10081019, 15509260, 20162038, 40324076, 50405095, 100810190, 201620380]

約数ペア:

[(1, 201620380), (2, 100810190), (4, 50405095), (5, 40324076), (10, 20162038), (13, 15509260), (20, 10081019), (26, 7754630), (52, 3877315), (65, 3101852), (130, 1550926), (169, 1193020), (260, 775463), (338, 596510), (676, 298255), (845, 238604), (1690, 119302), (3380, 59651)]