20454498

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 28205982

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 43, 46, 54, 69, 86, 129, 138, 207, 258, 383, 387, 414, 621, 766, 774, 989, 1149, 1161, 1242, 1978, 2298, 2322, 2967, 3447, 5934, 6894, 8809, 8901, 10341, 16469, 17618, 17802, 20682, 26427, 26703, 32938, 49407, 52854, 53406, 79281, 98814, 148221, 158562, 237843, 296442, 378787, 444663, 475686, 757574, 889326, 1136361, 2272722, 3409083, 6818166, 10227249, 20454498]

約数ペア:

[(1, 20454498), (2, 10227249), (3, 6818166), (6, 3409083), (9, 2272722), (18, 1136361), (23, 889326), (27, 757574), (43, 475686), (46, 444663), (54, 378787), (69, 296442), (86, 237843), (129, 158562), (138, 148221), (207, 98814), (258, 79281), (383, 53406), (387, 52854), (414, 49407), (621, 32938), (766, 26703), (774, 26427), (989, 20682), (1149, 17802), (1161, 17618), (1242, 16469), (1978, 10341), (2298, 8901), (2322, 8809), (2967, 6894), (3447, 5934)]