20380451847

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{787}}^1\times {\mathrm{12713}}^1$

素因数の和:13607

約数の個数: 32

約数和(自身を含む): 31418429952

約数和(自身を除く): 11037978105

約数列:

[1, 3, 7, 21, 97, 291, 679, 787, 2037, 2361, 5509, 12713, 16527, 38139, 76339, 88991, 229017, 266973, 534373, 1233161, 1603119, 3699483, 8632127, 10005131, 25896381, 30015393, 70035917, 210107751, 970497707, 2911493121, 6793483949, 20380451847]

約数ペア:

[(1, 20380451847), (3, 6793483949), (7, 2911493121), (21, 970497707), (97, 210107751), (291, 70035917), (679, 30015393), (787, 25896381), (2037, 10005131), (2361, 8632127), (5509, 3699483), (12713, 1603119), (16527, 1233161), (38139, 534373), (76339, 266973), (88991, 229017)]