20479095

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1701

約数の個数: 64

約数和(自身を含む): 44835840

約数和(自身を除く): 24356745

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1667, 1755, 2457, 4095, 5001, 8335, 11669, 12285, 15003, 21671, 25005, 35007, 45009, 58345, 65013, 75015, 105021, 108355, 151697, 175035, 195039, 225045, 315063, 325065, 455091, 525105, 585117, 758485, 975195, 1365273, 1575315, 2275455, 2925585, 4095819, 6826365, 20479095]

約数ペア:

[(1, 20479095), (3, 6826365), (5, 4095819), (7, 2925585), (9, 2275455), (13, 1575315), (15, 1365273), (21, 975195), (27, 758485), (35, 585117), (39, 525105), (45, 455091), (63, 325065), (65, 315063), (91, 225045), (105, 195039), (117, 175035), (135, 151697), (189, 108355), (195, 105021), (273, 75015), (315, 65013), (351, 58345), (455, 45009), (585, 35007), (819, 25005), (945, 21671), (1365, 15003), (1667, 12285), (1755, 11669), (2457, 8335), (4095, 5001)]