20467184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1601}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 42907968

約数和(自身を除く): 22440784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 1601, 3196, 3202, 6392, 6404, 12784, 12808, 25616, 27217, 54434, 75247, 108868, 150494, 217736, 300988, 435472, 601976, 1203952, 1279199, 2558398, 5116796, 10233592, 20467184]

約数ペア:

[(1, 20467184), (2, 10233592), (4, 5116796), (8, 2558398), (16, 1279199), (17, 1203952), (34, 601976), (47, 435472), (68, 300988), (94, 217736), (136, 150494), (188, 108868), (272, 75247), (376, 54434), (752, 27217), (799, 25616), (1598, 12808), (1601, 12784), (3196, 6404), (3202, 6392)]