20167993352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{301591}}^1$

素因数の和:302253

約数の個数: 32

約数和(自身を含む): 40787302080

約数和(自身を除く): 20619308728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 643, 1286, 2572, 5144, 8359, 16718, 33436, 66872, 301591, 603182, 1206364, 2412728, 3920683, 7841366, 15682732, 31365464, 193923013, 387846026, 775692052, 1551384104, 2520999169, 5041998338, 10083996676, 20167993352]

約数ペア:

[(1, 20167993352), (2, 10083996676), (4, 5041998338), (8, 2520999169), (13, 1551384104), (26, 775692052), (52, 387846026), (104, 193923013), (643, 31365464), (1286, 15682732), (2572, 7841366), (5144, 3920683), (8359, 2412728), (16718, 1206364), (33436, 603182), (66872, 301591)]