20267982

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 80

約数和(自身を含む): 52934112

約数和(自身を除く): 32666130

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 81, 122, 126, 162, 183, 189, 293, 366, 378, 427, 549, 567, 586, 854, 879, 1098, 1134, 1281, 1647, 1758, 2051, 2562, 2637, 3294, 3843, 4102, 4941, 5274, 6153, 7686, 7911, 9882, 11529, 12306, 15822, 17873, 18459, 23058, 23733, 34587, 35746, 36918, 47466, 53619, 55377, 69174, 107238, 110754, 125111, 160857, 166131, 250222, 321714, 332262, 375333, 482571, 750666, 965142, 1125999, 1447713, 2251998, 2895426, 3377997, 6755994, 10133991, 20267982]

約数ペア:

[(1, 20267982), (2, 10133991), (3, 6755994), (6, 3377997), (7, 2895426), (9, 2251998), (14, 1447713), (18, 1125999), (21, 965142), (27, 750666), (42, 482571), (54, 375333), (61, 332262), (63, 321714), (81, 250222), (122, 166131), (126, 160857), (162, 125111), (183, 110754), (189, 107238), (293, 69174), (366, 55377), (378, 53619), (427, 47466), (549, 36918), (567, 35746), (586, 34587), (854, 23733), (879, 23058), (1098, 18459), (1134, 17873), (1281, 15822), (1647, 12306), (1758, 11529), (2051, 9882), (2562, 7911), (2637, 7686), (3294, 6153), (3843, 5274), (4102, 4941)]