20960235

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9133}}^1$

素因数の和:9164

約数の個数: 32

約数和(自身を含む): 39458880

約数和(自身を除く): 18498645

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9133, 27399, 45665, 82197, 136995, 155261, 246591, 410985, 465783, 776305, 1232955, 1397349, 2328915, 4192047, 6986745, 20960235]

約数ペア:

[(1, 20960235), (3, 6986745), (5, 4192047), (9, 2328915), (15, 1397349), (17, 1232955), (27, 776305), (45, 465783), (51, 410985), (85, 246591), (135, 155261), (153, 136995), (255, 82197), (459, 45665), (765, 27399), (2295, 9133)]