20952810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 56712960

約数和(自身を除く): 35760150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1093, 1278, 1917, 2130, 2186, 3195, 3279, 3834, 5465, 6390, 6558, 9585, 9837, 10930, 16395, 19170, 19674, 29511, 32790, 49185, 59022, 77603, 98370, 147555, 155206, 232809, 295110, 388015, 465618, 698427, 776030, 1164045, 1396854, 2095281, 2328090, 3492135, 4190562, 6984270, 10476405, 20952810]

約数ペア:

[(1, 20952810), (2, 10476405), (3, 6984270), (5, 4190562), (6, 3492135), (9, 2328090), (10, 2095281), (15, 1396854), (18, 1164045), (27, 776030), (30, 698427), (45, 465618), (54, 388015), (71, 295110), (90, 232809), (135, 155206), (142, 147555), (213, 98370), (270, 77603), (355, 59022), (426, 49185), (639, 32790), (710, 29511), (1065, 19674), (1093, 19170), (1278, 16395), (1917, 10930), (2130, 9837), (2186, 9585), (3195, 6558), (3279, 6390), (3834, 5465)]