20218481864

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8805959}}^1$

素因数の和:8806013

約数の個数: 32

約数和(自身を含む): 44382038400

約数和(自身を除く): 24163556536

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8805959, 17611918, 35223836, 61641713, 70447672, 123283426, 246566852, 361044319, 493133704, 722088638, 1444177276, 2527310233, 2888354552, 5054620466, 10109240932, 20218481864]

約数ペア:

[(1, 20218481864), (2, 10109240932), (4, 5054620466), (7, 2888354552), (8, 2527310233), (14, 1444177276), (28, 722088638), (41, 493133704), (56, 361044319), (82, 246566852), (164, 123283426), (287, 70447672), (328, 61641713), (574, 35223836), (1148, 17611918), (2296, 8805959)]