20913444

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4723}}^1$

素因数の和:4777

約数の個数: 48

約数和(自身を含む): 55554240

約数和(自身を除く): 34640796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428, 4723, 9446, 14169, 18892, 28338, 42507, 56676, 85014, 127521, 170028, 193643, 255042, 387286, 510084, 580929, 774572, 1161858, 1742787, 2323716, 3485574, 5228361, 6971148, 10456722, 20913444]

約数ペア:

[(1, 20913444), (2, 10456722), (3, 6971148), (4, 5228361), (6, 3485574), (9, 2323716), (12, 1742787), (18, 1161858), (27, 774572), (36, 580929), (41, 510084), (54, 387286), (82, 255042), (108, 193643), (123, 170028), (164, 127521), (246, 85014), (369, 56676), (492, 42507), (738, 28338), (1107, 18892), (1476, 14169), (2214, 9446), (4428, 4723)]