20615238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163613}}^1$

素因数の和:163628

約数の個数: 24

約数和(自身を含む): 51047568

約数和(自身を除く): 30432330

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163613, 327226, 490839, 981678, 1145291, 1472517, 2290582, 2945034, 3435873, 6871746, 10307619, 20615238]

約数ペア:

[(1, 20615238), (2, 10307619), (3, 6871746), (6, 3435873), (7, 2945034), (9, 2290582), (14, 1472517), (18, 1145291), (21, 981678), (42, 490839), (63, 327226), (126, 163613)]