20987034

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{19541}}^1$

素因数の和:19725

約数の個数: 16

約数和(自身を含む): 42210720

約数和(自身を除く): 21223686

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 19541, 39082, 58623, 117246, 3497839, 6995678, 10493517, 20987034]

約数ペア:

[(1, 20987034), (2, 10493517), (3, 6995678), (6, 3497839), (179, 117246), (358, 58623), (537, 39082), (1074, 19541)]