20945964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134269}}^1$

素因数の和:134289

約数の個数: 24

約数和(自身を含む): 52633840

約数和(自身を除く): 31687876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134269, 268538, 402807, 537076, 805614, 1611228, 1745497, 3490994, 5236491, 6981988, 10472982, 20945964]

約数ペア:

[(1, 20945964), (2, 10472982), (3, 6981988), (4, 5236491), (6, 3490994), (12, 1745497), (13, 1611228), (26, 805614), (39, 537076), (52, 402807), (78, 268538), (156, 134269)]