20922045

素因数分解:

$3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1399}}^1$

素因数の和:2404

約数の個数: 16

約数和(自身を含む): 33532800

約数和(自身を除く): 12610755

約数列:

[1, 3, 5, 15, 997, 1399, 2991, 4197, 4985, 6995, 14955, 20985, 1394803, 4184409, 6974015, 20922045]

約数ペア:

[(1, 20922045), (3, 6974015), (5, 4184409), (15, 1394803), (997, 20985), (1399, 14955), (2991, 6995), (4197, 4985)]