20839192

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7639}}^1$

素因数の和:7687

約数の個数: 32

約数和(自身を含む): 44006400

約数和(自身を除く): 23167208

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7639, 15278, 30556, 61112, 84029, 168058, 236809, 336116, 473618, 672232, 947236, 1894472, 2604899, 5209798, 10419596, 20839192]

約数ペア:

[(1, 20839192), (2, 10419596), (4, 5209798), (8, 2604899), (11, 1894472), (22, 947236), (31, 672232), (44, 473618), (62, 336116), (88, 236809), (124, 168058), (248, 84029), (341, 61112), (682, 30556), (1364, 15278), (2728, 7639)]