20730675

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5641}}^1$

素因数の和:5668

約数の個数: 36

約数和(自身を含む): 39877656

約数和(自身を除く): 19146981

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5641, 16923, 28205, 39487, 84615, 118461, 141025, 197435, 276409, 423075, 592305, 829227, 987175, 1382045, 2961525, 4146135, 6910225, 20730675]

約数ペア:

[(1, 20730675), (3, 6910225), (5, 4146135), (7, 2961525), (15, 1382045), (21, 987175), (25, 829227), (35, 592305), (49, 423075), (75, 276409), (105, 197435), (147, 141025), (175, 118461), (245, 84615), (525, 39487), (735, 28205), (1225, 16923), (3675, 5641)]