20706714

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1420

約数の個数: 72

約数和(自身を含む): 55299348

約数和(自身を除く): 34592634

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 238, 294, 306, 357, 441, 714, 833, 882, 1071, 1381, 1666, 2142, 2499, 2762, 4143, 4998, 7497, 8286, 9667, 12429, 14994, 19334, 23477, 24858, 29001, 46954, 58002, 67669, 70431, 87003, 135338, 140862, 164339, 174006, 203007, 211293, 328678, 406014, 422586, 493017, 609021, 986034, 1150373, 1218042, 1479051, 2300746, 2958102, 3451119, 6902238, 10353357, 20706714]

約数ペア:

[(1, 20706714), (2, 10353357), (3, 6902238), (6, 3451119), (7, 2958102), (9, 2300746), (14, 1479051), (17, 1218042), (18, 1150373), (21, 986034), (34, 609021), (42, 493017), (49, 422586), (51, 406014), (63, 328678), (98, 211293), (102, 203007), (119, 174006), (126, 164339), (147, 140862), (153, 135338), (238, 87003), (294, 70431), (306, 67669), (357, 58002), (441, 46954), (714, 29001), (833, 24858), (882, 23477), (1071, 19334), (1381, 14994), (1666, 12429), (2142, 9667), (2499, 8286), (2762, 7497), (4143, 4998)]