20416788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81019}}^1$

素因数の和:81036

約数の個数: 36

約数和(自身を含む): 58982560

約数和(自身を除く): 38565772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81019, 162038, 243057, 324076, 486114, 567133, 729171, 972228, 1134266, 1458342, 1701399, 2268532, 2916684, 3402798, 5104197, 6805596, 10208394, 20416788]

約数ペア:

[(1, 20416788), (2, 10208394), (3, 6805596), (4, 5104197), (6, 3402798), (7, 2916684), (9, 2268532), (12, 1701399), (14, 1458342), (18, 1134266), (21, 972228), (28, 729171), (36, 567133), (42, 486114), (63, 324076), (84, 243057), (126, 162038), (252, 81019)]