20954280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4259}}^1$

素因数の和:4314

約数の個数: 64

約数和(自身を含む): 64411200

約数和(自身を除く): 43456920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4259, 4920, 8518, 12777, 17036, 21295, 25554, 34072, 42590, 51108, 63885, 85180, 102216, 127770, 170360, 174619, 255540, 349238, 511080, 523857, 698476, 873095, 1047714, 1396952, 1746190, 2095428, 2619285, 3492380, 4190856, 5238570, 6984760, 10477140, 20954280]

約数ペア:

[(1, 20954280), (2, 10477140), (3, 6984760), (4, 5238570), (5, 4190856), (6, 3492380), (8, 2619285), (10, 2095428), (12, 1746190), (15, 1396952), (20, 1047714), (24, 873095), (30, 698476), (40, 523857), (41, 511080), (60, 349238), (82, 255540), (120, 174619), (123, 170360), (164, 127770), (205, 102216), (246, 85180), (328, 63885), (410, 51108), (492, 42590), (615, 34072), (820, 25554), (984, 21295), (1230, 17036), (1640, 12777), (2460, 8518), (4259, 4920)]