20030622521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{911}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 26674292736

約数和(自身を除く): 6643670215

約数列:

[1, 7, 13, 17, 61, 91, 119, 221, 233, 427, 793, 911, 1037, 1547, 1631, 3029, 3961, 5551, 6377, 7259, 11843, 13481, 14213, 15487, 21203, 27727, 51493, 55571, 82901, 94367, 99491, 108409, 184769, 201331, 212263, 241621, 360451, 388997, 722423, 944707, 1293383, 1409317, 1485841, 1691347, 2759419, 3141073, 3608471, 5056961, 6612949, 12281191, 12948043, 19315933, 21987511, 25259297, 46910123, 85968337, 90636301, 168324559, 220116731, 328370861, 1178271913, 1540817117, 2861517503, 20030622521]

約数ペア:

[(1, 20030622521), (7, 2861517503), (13, 1540817117), (17, 1178271913), (61, 328370861), (91, 220116731), (119, 168324559), (221, 90636301), (233, 85968337), (427, 46910123), (793, 25259297), (911, 21987511), (1037, 19315933), (1547, 12948043), (1631, 12281191), (3029, 6612949), (3961, 5056961), (5551, 3608471), (6377, 3141073), (7259, 2759419), (11843, 1691347), (13481, 1485841), (14213, 1409317), (15487, 1293383), (21203, 944707), (27727, 722423), (51493, 388997), (55571, 360451), (82901, 241621), (94367, 212263), (99491, 201331), (108409, 184769)]