20020231315

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{967}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 29261168640

約数和(自身を除く): 9240937325

約数列:

[1, 5, 7, 19, 35, 95, 133, 163, 191, 665, 815, 955, 967, 1141, 1337, 3097, 3629, 4835, 5705, 6685, 6769, 15485, 18145, 18373, 21679, 25403, 31133, 33845, 91865, 108395, 127015, 128611, 155665, 157621, 184697, 217931, 591527, 643055, 788105, 923485, 1089655, 1103347, 1292879, 2957635, 2994799, 3509243, 4140689, 5516735, 6464395, 14973995, 17546215, 20703445, 20963593, 24564701, 30105611, 104817965, 122823505, 150528055, 210739277, 572006609, 1053696385, 2860033045, 4004046263, 20020231315]

約数ペア:

[(1, 20020231315), (5, 4004046263), (7, 2860033045), (19, 1053696385), (35, 572006609), (95, 210739277), (133, 150528055), (163, 122823505), (191, 104817965), (665, 30105611), (815, 24564701), (955, 20963593), (967, 20703445), (1141, 17546215), (1337, 14973995), (3097, 6464395), (3629, 5516735), (4835, 4140689), (5705, 3509243), (6685, 2994799), (6769, 2957635), (15485, 1292879), (18145, 1103347), (18373, 1089655), (21679, 923485), (25403, 788105), (31133, 643055), (33845, 591527), (91865, 217931), (108395, 184697), (127015, 157621), (128611, 155665)]