20918448

素因数分解:

$2^4\times 3^2\times {\mathrm{145267}}^1$

素因数の和:145281

約数の個数: 30

約数和(自身を含む): 58543004

約数和(自身を除く): 37624556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145267, 290534, 435801, 581068, 871602, 1162136, 1307403, 1743204, 2324272, 2614806, 3486408, 5229612, 6972816, 10459224, 20918448]

約数ペア:

[(1, 20918448), (2, 10459224), (3, 6972816), (4, 5229612), (6, 3486408), (8, 2614806), (9, 2324272), (12, 1743204), (16, 1307403), (18, 1162136), (24, 871602), (36, 581068), (48, 435801), (72, 290534), (144, 145267)]