20687112609

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1\times {\mathrm{12959}}^1$

素因数の和:13369

約数の個数: 32

約数和(自身を含む): 29572439040

約数和(自身を除く): 8885326431

約数列:

[1, 3, 17, 51, 113, 277, 339, 831, 1921, 4709, 5763, 12959, 14127, 31301, 38877, 93903, 220303, 532117, 660909, 1464367, 1596351, 3589643, 4393101, 10768929, 24894239, 61023931, 74682717, 183071793, 405629659, 1216888977, 6895704203, 20687112609]

約数ペア:

[(1, 20687112609), (3, 6895704203), (17, 1216888977), (51, 405629659), (113, 183071793), (277, 74682717), (339, 61023931), (831, 24894239), (1921, 10768929), (4709, 4393101), (5763, 3589643), (12959, 1596351), (14127, 1464367), (31301, 660909), (38877, 532117), (93903, 220303)]