20081910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 49900032

約数和(自身を除く): 29818122

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 97, 103, 134, 194, 201, 206, 291, 309, 335, 402, 485, 515, 582, 618, 670, 970, 1005, 1030, 1455, 1545, 2010, 2910, 3090, 6499, 6901, 9991, 12998, 13802, 19497, 19982, 20703, 29973, 32495, 34505, 38994, 41406, 49955, 59946, 64990, 69010, 97485, 99910, 103515, 149865, 194970, 207030, 299730, 669397, 1338794, 2008191, 3346985, 4016382, 6693970, 10040955, 20081910]

約数ペア:

[(1, 20081910), (2, 10040955), (3, 6693970), (5, 4016382), (6, 3346985), (10, 2008191), (15, 1338794), (30, 669397), (67, 299730), (97, 207030), (103, 194970), (134, 149865), (194, 103515), (201, 99910), (206, 97485), (291, 69010), (309, 64990), (335, 59946), (402, 49955), (485, 41406), (515, 38994), (582, 34505), (618, 32495), (670, 29973), (970, 20703), (1005, 19982), (1030, 19497), (1455, 13802), (1545, 12998), (2010, 9991), (2910, 6901), (3090, 6499)]