20227480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5588

約数の個数: 64

約数和(自身を含む): 56024640

約数和(自身を除く): 35797160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5557, 11114, 22228, 27785, 38899, 44456, 55570, 72241, 77798, 111140, 144482, 155596, 194495, 222280, 288964, 311192, 361205, 388990, 505687, 577928, 722410, 777980, 1011374, 1444820, 1555960, 2022748, 2528435, 2889640, 4045496, 5056870, 10113740, 20227480]

約数ペア:

[(1, 20227480), (2, 10113740), (4, 5056870), (5, 4045496), (7, 2889640), (8, 2528435), (10, 2022748), (13, 1555960), (14, 1444820), (20, 1011374), (26, 777980), (28, 722410), (35, 577928), (40, 505687), (52, 388990), (56, 361205), (65, 311192), (70, 288964), (91, 222280), (104, 194495), (130, 155596), (140, 144482), (182, 111140), (260, 77798), (280, 72241), (364, 55570), (455, 44456), (520, 38899), (728, 27785), (910, 22228), (1820, 11114), (3640, 5557)]