20841507

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{761}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 32095440

約数和(自身を除く): 11253933

約数列:

[1, 3, 9, 17, 51, 153, 179, 537, 761, 1611, 2283, 3043, 6849, 9129, 12937, 27387, 38811, 116433, 136219, 408657, 1225971, 2315723, 6947169, 20841507]

約数ペア:

[(1, 20841507), (3, 6947169), (9, 2315723), (17, 1225971), (51, 408657), (153, 136219), (179, 116433), (537, 38811), (761, 27387), (1611, 12937), (2283, 9129), (3043, 6849)]