20954415

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22901}}^1$

素因数の和:22970

約数の個数: 16

約数和(自身を含む): 34078176

約数和(自身を除く): 13123761

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 22901, 68703, 114505, 343515, 1396961, 4190883, 6984805, 20954415]

約数ペア:

[(1, 20954415), (3, 6984805), (5, 4190883), (15, 1396961), (61, 343515), (183, 114505), (305, 68703), (915, 22901)]