20953846

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2887}}^1$

素因数の和:3099

約数の個数: 16

約数和(自身を含む): 33269760

約数和(自身を除く): 12315914

約数列:

[1, 2, 19, 38, 191, 382, 2887, 3629, 5774, 7258, 54853, 109706, 551417, 1102834, 10476923, 20953846]

約数ペア:

[(1, 20953846), (2, 10476923), (19, 1102834), (38, 551417), (191, 109706), (382, 54853), (2887, 7258), (3629, 5774)]