20885202

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 80

約数和(自身を含む): 51714432

約数和(自身を除く): 30829230

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 81, 94, 117, 141, 162, 211, 234, 282, 351, 422, 423, 611, 633, 702, 846, 1053, 1222, 1266, 1269, 1833, 1899, 2106, 2538, 2743, 3666, 3798, 3807, 5486, 5499, 5697, 7614, 8229, 9917, 10998, 11394, 16458, 16497, 17091, 19834, 24687, 29751, 32994, 34182, 49374, 49491, 59502, 74061, 89253, 98982, 128921, 148122, 178506, 222183, 257842, 267759, 386763, 444366, 535518, 773526, 803277, 1160289, 1606554, 2320578, 3480867, 6961734, 10442601, 20885202]

約数ペア:

[(1, 20885202), (2, 10442601), (3, 6961734), (6, 3480867), (9, 2320578), (13, 1606554), (18, 1160289), (26, 803277), (27, 773526), (39, 535518), (47, 444366), (54, 386763), (78, 267759), (81, 257842), (94, 222183), (117, 178506), (141, 148122), (162, 128921), (211, 98982), (234, 89253), (282, 74061), (351, 59502), (422, 49491), (423, 49374), (611, 34182), (633, 32994), (702, 29751), (846, 24687), (1053, 19834), (1222, 17091), (1266, 16497), (1269, 16458), (1833, 11394), (1899, 10998), (2106, 9917), (2538, 8229), (2743, 7614), (3666, 5697), (3798, 5499), (3807, 5486)]