20873705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5711}}^1$

素因数の和:5776

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 6269719

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5711, 28555, 97087, 245573, 485435, 1227865, 4174741, 20873705]

約数ペア:

[(1, 20873705), (5, 4174741), (17, 1227865), (43, 485435), (85, 245573), (215, 97087), (731, 28555), (3655, 5711)]