20634625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 28828800

約数和(自身を除く): 8194175

約数列:

[1, 5, 11, 25, 43, 55, 125, 215, 275, 349, 473, 1075, 1375, 1745, 2365, 3839, 5375, 8725, 11825, 15007, 19195, 43625, 59125, 75035, 95975, 165077, 375175, 479875, 825385, 1875875, 4126925, 20634625]

約数ペア:

[(1, 20634625), (5, 4126925), (11, 1875875), (25, 825385), (43, 479875), (55, 375175), (125, 165077), (215, 95975), (275, 75035), (349, 59125), (473, 43625), (1075, 19195), (1375, 15007), (1745, 11825), (2365, 8725), (3839, 5375)]