20155758

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 47278080

約数和(自身を除く): 27122322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 179, 294, 358, 383, 537, 766, 1074, 1149, 1253, 2298, 2506, 2681, 3759, 5362, 7518, 8043, 8771, 16086, 17542, 18767, 26313, 37534, 52626, 56301, 68557, 112602, 137114, 205671, 411342, 479899, 959798, 1439697, 2879394, 3359293, 6718586, 10077879, 20155758]

約数ペア:

[(1, 20155758), (2, 10077879), (3, 6718586), (6, 3359293), (7, 2879394), (14, 1439697), (21, 959798), (42, 479899), (49, 411342), (98, 205671), (147, 137114), (179, 112602), (294, 68557), (358, 56301), (383, 52626), (537, 37534), (766, 26313), (1074, 18767), (1149, 17542), (1253, 16086), (2298, 8771), (2506, 8043), (2681, 7518), (3759, 5362)]