20326985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 9532855

約数列:

[1, 5, 7, 17, 35, 85, 119, 127, 269, 595, 635, 889, 1345, 1883, 2159, 4445, 4573, 9415, 10795, 15113, 22865, 32011, 34163, 75565, 160055, 170815, 239141, 580771, 1195705, 2903855, 4065397, 20326985]

約数ペア:

[(1, 20326985), (5, 4065397), (7, 2903855), (17, 1195705), (35, 580771), (85, 239141), (119, 170815), (127, 160055), (269, 75565), (595, 34163), (635, 32011), (889, 22865), (1345, 15113), (1883, 10795), (2159, 9415), (4445, 4573)]