20161753456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{487093}}^1$

素因数の和:487313

約数の個数: 40

約数和(自身を含む): 42279759200

約数和(自身を除く): 22118005744

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 796, 1592, 2587, 3184, 5174, 10348, 20696, 41392, 487093, 974186, 1948372, 3896744, 6332209, 7793488, 12664418, 25328836, 50657672, 96931507, 101315344, 193863014, 387726028, 775452056, 1260109591, 1550904112, 2520219182, 5040438364, 10080876728, 20161753456]

約数ペア:

[(1, 20161753456), (2, 10080876728), (4, 5040438364), (8, 2520219182), (13, 1550904112), (16, 1260109591), (26, 775452056), (52, 387726028), (104, 193863014), (199, 101315344), (208, 96931507), (398, 50657672), (796, 25328836), (1592, 12664418), (2587, 7793488), (3184, 6332209), (5174, 3896744), (10348, 1948372), (20696, 974186), (41392, 487093)]