20978016

素因数分解:

$2^5\times 3^1\times {\mathrm{218521}}^1$

素因数の和:218534

約数の個数: 24

約数和(自身を含む): 55067544

約数和(自身を除く): 34089528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 218521, 437042, 655563, 874084, 1311126, 1748168, 2622252, 3496336, 5244504, 6992672, 10489008, 20978016]

約数ペア:

[(1, 20978016), (2, 10489008), (3, 6992672), (4, 5244504), (6, 3496336), (8, 2622252), (12, 1748168), (16, 1311126), (24, 874084), (32, 655563), (48, 437042), (96, 218521)]