20989464

素因数分解:

$2^3\times 3^1\times {\mathrm{367}}^1\times {\mathrm{2383}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 52638720

約数和(自身を除く): 31649256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 367, 734, 1101, 1468, 2202, 2383, 2936, 4404, 4766, 7149, 8808, 9532, 14298, 19064, 28596, 57192, 874561, 1749122, 2623683, 3498244, 5247366, 6996488, 10494732, 20989464]

約数ペア:

[(1, 20989464), (2, 10494732), (3, 6996488), (4, 5247366), (6, 3498244), (8, 2623683), (12, 1749122), (24, 874561), (367, 57192), (734, 28596), (1101, 19064), (1468, 14298), (2202, 9532), (2383, 8808), (2936, 7149), (4404, 4766)]