20123950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5227}}^1$

素因数の和:5257

約数の個数: 48

約数和(自身を含む): 46675584

約数和(自身を除く): 26551634

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5227, 10454, 26135, 36589, 52270, 57497, 73178, 114994, 130675, 182945, 261350, 287485, 365890, 402479, 574970, 804958, 914725, 1437425, 1829450, 2012395, 2874850, 4024790, 10061975, 20123950]

約数ペア:

[(1, 20123950), (2, 10061975), (5, 4024790), (7, 2874850), (10, 2012395), (11, 1829450), (14, 1437425), (22, 914725), (25, 804958), (35, 574970), (50, 402479), (55, 365890), (70, 287485), (77, 261350), (110, 182945), (154, 130675), (175, 114994), (275, 73178), (350, 57497), (385, 52270), (550, 36589), (770, 26135), (1925, 10454), (3850, 5227)]