20453055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4751}}^1$

素因数の和:4807

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 17867073

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4751, 14253, 23755, 33257, 71265, 99771, 166285, 194791, 498855, 584373, 973955, 1363537, 2921865, 4090611, 6817685, 20453055]

約数ペア:

[(1, 20453055), (3, 6817685), (5, 4090611), (7, 2921865), (15, 1363537), (21, 973955), (35, 584373), (41, 498855), (105, 194791), (123, 166285), (205, 99771), (287, 71265), (615, 33257), (861, 23755), (1435, 14253), (4305, 4751)]