20857575687

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1\times {\mathrm{4211}}^1$

素因数の和:5743

約数の個数: 32

約数和(自身を含む): 30314269440

約数和(自身を除く): 9456693753

約数列:

[1, 3, 13, 39, 89, 267, 1157, 1427, 3471, 4211, 4281, 12633, 18551, 54743, 55653, 127003, 164229, 374779, 381009, 1124337, 1651039, 4872127, 4953117, 6009097, 14616381, 18027291, 78118261, 234354783, 534809633, 1604428899, 6952525229, 20857575687]

約数ペア:

[(1, 20857575687), (3, 6952525229), (13, 1604428899), (39, 534809633), (89, 234354783), (267, 78118261), (1157, 18027291), (1427, 14616381), (3471, 6009097), (4211, 4953117), (4281, 4872127), (12633, 1651039), (18551, 1124337), (54743, 381009), (55653, 374779), (127003, 164229)]