20328230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156371}}^1$

素因数の和:156391

約数の個数: 16

約数和(自身を含む): 39405744

約数和(自身を除く): 19077514

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156371, 312742, 781855, 1563710, 2032823, 4065646, 10164115, 20328230]

約数ペア:

[(1, 20328230), (2, 10164115), (5, 4065646), (10, 2032823), (13, 1563710), (26, 781855), (65, 312742), (130, 156371)]