20417796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81023}}^1$

素因数の和:81040

約数の個数: 36

約数和(自身を含む): 58985472

約数和(自身を除く): 38567676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81023, 162046, 243069, 324092, 486138, 567161, 729207, 972276, 1134322, 1458414, 1701483, 2268644, 2916828, 3402966, 5104449, 6805932, 10208898, 20417796]

約数ペア:

[(1, 20417796), (2, 10208898), (3, 6805932), (4, 5104449), (6, 3402966), (7, 2916828), (9, 2268644), (12, 1701483), (14, 1458414), (18, 1134322), (21, 972276), (28, 729207), (36, 567161), (42, 486138), (63, 324092), (84, 243069), (126, 162046), (252, 81023)]