20197035131

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131251}}^1$

素因数の和:131379

約数の個数: 32

約数和(自身を含む): 26460403200

約数和(自身を除く): 6263368069

約数列:

[1, 7, 13, 19, 89, 91, 133, 247, 623, 1157, 1691, 1729, 8099, 11837, 21983, 131251, 153881, 918757, 1706263, 2493769, 11681339, 11943841, 17456383, 32418997, 81769373, 151857407, 221945441, 226932979, 1063001849, 1553618087, 2885290733, 20197035131]

約数ペア:

[(1, 20197035131), (7, 2885290733), (13, 1553618087), (19, 1063001849), (89, 226932979), (91, 221945441), (133, 151857407), (247, 81769373), (623, 32418997), (1157, 17456383), (1691, 11943841), (1729, 11681339), (8099, 2493769), (11837, 1706263), (21983, 918757), (131251, 153881)]