20298663

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 38727936

約数和(自身を除く): 18429273

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 1723, 3927, 5169, 11781, 12061, 15507, 18953, 29291, 36183, 56859, 87873, 108549, 132671, 170577, 205037, 263619, 322201, 398013, 615111, 966603, 1194039, 1845333, 2255407, 2899809, 6766221, 20298663]

約数ペア:

[(1, 20298663), (3, 6766221), (7, 2899809), (9, 2255407), (11, 1845333), (17, 1194039), (21, 966603), (33, 615111), (51, 398013), (63, 322201), (77, 263619), (99, 205037), (119, 170577), (153, 132671), (187, 108549), (231, 87873), (357, 56859), (561, 36183), (693, 29291), (1071, 18953), (1309, 15507), (1683, 12061), (1723, 11781), (3927, 5169)]