20550273

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 28074816

約数和(自身を除く): 7524543

約数列:

[1, 3, 53, 159, 307, 421, 921, 1263, 16271, 22313, 48813, 66939, 129247, 387741, 6850091, 20550273]

約数ペア:

[(1, 20550273), (3, 6850091), (53, 387741), (159, 129247), (307, 66939), (421, 48813), (921, 22313), (1263, 16271)]