20593125

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{523}}^1$

素因数の和:556

約数の個数: 60

約数和(自身を含む): 42561376

約数和(自身を除く): 21968251

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 523, 525, 625, 875, 1125, 1569, 1575, 1875, 2615, 2625, 3661, 4375, 4707, 5625, 7845, 7875, 10983, 13075, 13125, 18305, 23535, 32949, 39225, 39375, 54915, 65375, 91525, 117675, 164745, 196125, 274575, 326875, 457625, 588375, 823725, 980625, 1372875, 2288125, 2941875, 4118625, 6864375, 20593125]

約数ペア:

[(1, 20593125), (3, 6864375), (5, 4118625), (7, 2941875), (9, 2288125), (15, 1372875), (21, 980625), (25, 823725), (35, 588375), (45, 457625), (63, 326875), (75, 274575), (105, 196125), (125, 164745), (175, 117675), (225, 91525), (315, 65375), (375, 54915), (523, 39375), (525, 39225), (625, 32949), (875, 23535), (1125, 18305), (1569, 13125), (1575, 13075), (1875, 10983), (2615, 7875), (2625, 7845), (3661, 5625), (4375, 4707)]