20318166

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 48606480

約数和(自身を除く): 28288314

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 89, 99, 178, 198, 267, 534, 801, 979, 1153, 1602, 1958, 2306, 2937, 3459, 5874, 6918, 8811, 10377, 12683, 17622, 20754, 25366, 38049, 76098, 102617, 114147, 205234, 228294, 307851, 615702, 923553, 1128787, 1847106, 2257574, 3386361, 6772722, 10159083, 20318166]

約数ペア:

[(1, 20318166), (2, 10159083), (3, 6772722), (6, 3386361), (9, 2257574), (11, 1847106), (18, 1128787), (22, 923553), (33, 615702), (66, 307851), (89, 228294), (99, 205234), (178, 114147), (198, 102617), (267, 76098), (534, 38049), (801, 25366), (979, 20754), (1153, 17622), (1602, 12683), (1958, 10377), (2306, 8811), (2937, 6918), (3459, 5874)]