20912925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25349}}^1$

素因数の和:25373

約数の個数: 24

約数和(自身を含む): 37720800

約数和(自身を除く): 16807875

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25349, 76047, 126745, 278839, 380235, 633725, 836517, 1394195, 1901175, 4182585, 6970975, 20912925]

約数ペア:

[(1, 20912925), (3, 6970975), (5, 4182585), (11, 1901175), (15, 1394195), (25, 836517), (33, 633725), (55, 380235), (75, 278839), (165, 126745), (275, 76047), (825, 25349)]