20742170418

素因数分解:

$2^1\times 3^5\times {\mathrm{53}}^1\times {\mathrm{805271}}^1$

素因数の和:805341

約数の個数: 48

約数和(自身を含む): 47485279296

約数和(自身を除く): 26743108878

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 243, 318, 477, 486, 954, 1431, 2862, 4293, 8586, 12879, 25758, 805271, 1610542, 2415813, 4831626, 7247439, 14494878, 21742317, 42679363, 43484634, 65226951, 85358726, 128038089, 130453902, 195680853, 256076178, 384114267, 391361706, 768228534, 1152342801, 2304685602, 3457028403, 6914056806, 10371085209, 20742170418]

約数ペア:

[(1, 20742170418), (2, 10371085209), (3, 6914056806), (6, 3457028403), (9, 2304685602), (18, 1152342801), (27, 768228534), (53, 391361706), (54, 384114267), (81, 256076178), (106, 195680853), (159, 130453902), (162, 128038089), (243, 85358726), (318, 65226951), (477, 43484634), (486, 42679363), (954, 21742317), (1431, 14494878), (2862, 7247439), (4293, 4831626), (8586, 2415813), (12879, 1610542), (25758, 805271)]