20560284

素因数分解:

$2^2\times 3^3\times {\mathrm{127}}^1\times {\mathrm{1499}}^1$

素因数の和:1639

約数の個数: 48

約数和(自身を含む): 53760000

約数和(自身を除く): 33199716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 127, 254, 381, 508, 762, 1143, 1499, 1524, 2286, 2998, 3429, 4497, 4572, 5996, 6858, 8994, 13491, 13716, 17988, 26982, 40473, 53964, 80946, 161892, 190373, 380746, 571119, 761492, 1142238, 1713357, 2284476, 3426714, 5140071, 6853428, 10280142, 20560284]

約数ペア:

[(1, 20560284), (2, 10280142), (3, 6853428), (4, 5140071), (6, 3426714), (9, 2284476), (12, 1713357), (18, 1142238), (27, 761492), (36, 571119), (54, 380746), (108, 190373), (127, 161892), (254, 80946), (381, 53964), (508, 40473), (762, 26982), (1143, 17988), (1499, 13716), (1524, 13491), (2286, 8994), (2998, 6858), (3429, 5996), (4497, 4572)]