20542380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342373}}^1$

素因数の和:342385

約数の個数: 24

約数和(自身を含む): 57518832

約数和(自身を除く): 36976452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342373, 684746, 1027119, 1369492, 1711865, 2054238, 3423730, 4108476, 5135595, 6847460, 10271190, 20542380]

約数ペア:

[(1, 20542380), (2, 10271190), (3, 6847460), (4, 5135595), (5, 4108476), (6, 3423730), (10, 2054238), (12, 1711865), (15, 1369492), (20, 1027119), (30, 684746), (60, 342373)]