20950388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1523}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 38831520

約数和(自身を除く): 17881132

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 1523, 3046, 3439, 6092, 6878, 13756, 28937, 57874, 115748, 275663, 551326, 1102652, 5237597, 10475194, 20950388]

約数ペア:

[(1, 20950388), (2, 10475194), (4, 5237597), (19, 1102652), (38, 551326), (76, 275663), (181, 115748), (362, 57874), (724, 28937), (1523, 13756), (3046, 6878), (3439, 6092)]