20105002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11257}}^1$

素因数の和:11325

約数の個数: 16

約数和(自身を含む): 32423040

約数和(自身を除く): 12318038

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11257, 22514, 213883, 427766, 529079, 1058158, 10052501, 20105002]

約数ペア:

[(1, 20105002), (2, 10052501), (19, 1058158), (38, 529079), (47, 427766), (94, 213883), (893, 22514), (1786, 11257)]