20619862479

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{6971}}^1\times {\mathrm{19333}}^1$

素因数の和:26327

約数の個数: 24

約数和(自身を含む): 31542415632

約数和(自身を除く): 10922553153

約数列:

[1, 3, 9, 17, 51, 153, 6971, 19333, 20913, 57999, 62739, 118507, 173997, 328661, 355521, 985983, 1066563, 2957949, 134770343, 404311029, 1212933087, 2291095831, 6873287493, 20619862479]

約数ペア:

[(1, 20619862479), (3, 6873287493), (9, 2291095831), (17, 1212933087), (51, 404311029), (153, 134770343), (6971, 2957949), (19333, 1066563), (20913, 985983), (57999, 355521), (62739, 328661), (118507, 173997)]