20728542898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{771553}}^1$

素因数の和:771682

約数の個数: 32

約数和(自身を含む): 37775283840

約数和(自身を除く): 17046740942

約数列:

[1, 2, 7, 14, 19, 38, 101, 133, 202, 266, 707, 1414, 1919, 3838, 13433, 26866, 771553, 1543106, 5400871, 10801742, 14659507, 29319014, 77926853, 102616549, 155853706, 205233098, 545487971, 1090975942, 1480610207, 2961220414, 10364271449, 20728542898]

約数ペア:

[(1, 20728542898), (2, 10364271449), (7, 2961220414), (14, 1480610207), (19, 1090975942), (38, 545487971), (101, 205233098), (133, 155853706), (202, 102616549), (266, 77926853), (707, 29319014), (1414, 14659507), (1919, 10801742), (3838, 5400871), (13433, 1543106), (26866, 771553)]