20780992

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5323}}^1$

素因数の和:5396

約数の個数: 28

約数和(自身を含む): 41921176

約数和(自身を除く): 21140184

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5323, 10646, 21292, 42584, 85168, 170336, 324703, 340672, 649406, 1298812, 2597624, 5195248, 10390496, 20780992]

約数ペア:

[(1, 20780992), (2, 10390496), (4, 5195248), (8, 2597624), (16, 1298812), (32, 649406), (61, 340672), (64, 324703), (122, 170336), (244, 85168), (488, 42584), (976, 21292), (1952, 10646), (3904, 5323)]