20992464

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2084

約数の個数: 60

約数和(自身を含む): 59584356

約数和(自身を除く): 38591892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 1997, 2628, 3504, 3994, 5256, 5991, 7988, 10512, 11982, 15976, 17973, 23964, 31952, 35946, 47928, 71892, 95856, 143784, 145781, 287568, 291562, 437343, 583124, 874686, 1166248, 1312029, 1749372, 2332496, 2624058, 3498744, 5248116, 6997488, 10496232, 20992464]

約数ペア:

[(1, 20992464), (2, 10496232), (3, 6997488), (4, 5248116), (6, 3498744), (8, 2624058), (9, 2332496), (12, 1749372), (16, 1312029), (18, 1166248), (24, 874686), (36, 583124), (48, 437343), (72, 291562), (73, 287568), (144, 145781), (146, 143784), (219, 95856), (292, 71892), (438, 47928), (584, 35946), (657, 31952), (876, 23964), (1168, 17973), (1314, 15976), (1752, 11982), (1997, 10512), (2628, 7988), (3504, 5991), (3994, 5256)]