20844705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2963}}^1$

素因数の和:3045

約数の個数: 32

約数和(自身を含む): 38697984

約数和(自身を除く): 17853279

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 2963, 7035, 8889, 14815, 20741, 44445, 62223, 103705, 198521, 311115, 595563, 992605, 1389647, 2977815, 4168941, 6948235, 20844705]

約数ペア:

[(1, 20844705), (3, 6948235), (5, 4168941), (7, 2977815), (15, 1389647), (21, 992605), (35, 595563), (67, 311115), (105, 198521), (201, 103705), (335, 62223), (469, 44445), (1005, 20741), (1407, 14815), (2345, 8889), (2963, 7035)]