20984284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9521}}^1$

素因数の和:9573

約数の個数: 24

約数和(自身を含む): 39992400

約数和(自身を除く): 19008116

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9521, 19042, 38084, 180899, 276109, 361798, 552218, 723596, 1104436, 5246071, 10492142, 20984284]

約数ペア:

[(1, 20984284), (2, 10492142), (4, 5246071), (19, 1104436), (29, 723596), (38, 552218), (58, 361798), (76, 276109), (116, 180899), (551, 38084), (1102, 19042), (2204, 9521)]