20115912

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20443}}^1$

素因数の和:20493

約数の個数: 32

約数和(自身を含む): 51518880

約数和(自身を除く): 31402968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 20443, 40886, 61329, 81772, 122658, 163544, 245316, 490632, 838163, 1676326, 2514489, 3352652, 5028978, 6705304, 10057956, 20115912]

約数ペア:

[(1, 20115912), (2, 10057956), (3, 6705304), (4, 5028978), (6, 3352652), (8, 2514489), (12, 1676326), (24, 838163), (41, 490632), (82, 245316), (123, 163544), (164, 122658), (246, 81772), (328, 61329), (492, 40886), (984, 20443)]