20086534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 34685280

約数和(自身を除く): 14598746

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 557, 949, 1114, 1387, 1898, 2774, 7241, 10583, 14482, 18031, 21166, 36062, 40661, 81322, 137579, 275158, 528593, 772559, 1057186, 1545118, 10043267, 20086534]

約数ペア:

[(1, 20086534), (2, 10043267), (13, 1545118), (19, 1057186), (26, 772559), (38, 528593), (73, 275158), (146, 137579), (247, 81322), (494, 40661), (557, 36062), (949, 21166), (1114, 18031), (1387, 14482), (1898, 10583), (2774, 7241)]