20123464

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 39709440

約数和(自身を除く): 19585976

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 1531, 1643, 3062, 3286, 6124, 6572, 12248, 13144, 47461, 81143, 94922, 162286, 189844, 324572, 379688, 649144, 2515433, 5030866, 10061732, 20123464]

約数ペア:

[(1, 20123464), (2, 10061732), (4, 5030866), (8, 2515433), (31, 649144), (53, 379688), (62, 324572), (106, 189844), (124, 162286), (212, 94922), (248, 81143), (424, 47461), (1531, 13144), (1643, 12248), (3062, 6572), (3286, 6124)]