20656077

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10309683

約数列:

[1, 3, 13, 39, 47, 59, 141, 177, 191, 573, 611, 767, 1833, 2301, 2483, 2773, 7449, 8319, 8977, 11269, 26931, 33807, 36049, 108147, 116701, 146497, 350103, 439491, 529643, 1588929, 6885359, 20656077]

約数ペア:

[(1, 20656077), (3, 6885359), (13, 1588929), (39, 529643), (47, 439491), (59, 350103), (141, 146497), (177, 116701), (191, 108147), (573, 36049), (611, 33807), (767, 26931), (1833, 11269), (2301, 8977), (2483, 8319), (2773, 7449)]