20993676

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1787}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 54069120

約数和(自身を除く): 33075444

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1787, 1958, 2937, 3574, 3916, 5361, 5874, 7148, 10722, 11748, 19657, 21444, 39314, 58971, 78628, 117942, 159043, 235884, 318086, 477129, 636172, 954258, 1749473, 1908516, 3498946, 5248419, 6997892, 10496838, 20993676]

約数ペア:

[(1, 20993676), (2, 10496838), (3, 6997892), (4, 5248419), (6, 3498946), (11, 1908516), (12, 1749473), (22, 954258), (33, 636172), (44, 477129), (66, 318086), (89, 235884), (132, 159043), (178, 117942), (267, 78628), (356, 58971), (534, 39314), (979, 21444), (1068, 19657), (1787, 11748), (1958, 10722), (2937, 7148), (3574, 5874), (3916, 5361)]