20269662

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28114338

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 79, 82, 123, 149, 158, 237, 246, 287, 298, 447, 474, 553, 574, 861, 894, 1043, 1106, 1659, 1722, 2086, 3129, 3239, 3318, 6109, 6258, 6478, 9717, 11771, 12218, 18327, 19434, 22673, 23542, 35313, 36654, 42763, 45346, 68019, 70626, 82397, 85526, 128289, 136038, 164794, 247191, 256578, 482611, 494382, 965222, 1447833, 2895666, 3378277, 6756554, 10134831, 20269662]

約数ペア:

[(1, 20269662), (2, 10134831), (3, 6756554), (6, 3378277), (7, 2895666), (14, 1447833), (21, 965222), (41, 494382), (42, 482611), (79, 256578), (82, 247191), (123, 164794), (149, 136038), (158, 128289), (237, 85526), (246, 82397), (287, 70626), (298, 68019), (447, 45346), (474, 42763), (553, 36654), (574, 35313), (861, 23542), (894, 22673), (1043, 19434), (1106, 18327), (1659, 12218), (1722, 11771), (2086, 9717), (3129, 6478), (3239, 6258), (3318, 6109)]