20199451284

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{867227}}^1$

素因数の和:867884

約数の個数: 36

約数和(自身を含む): 51138700704

約数和(自身を除く): 30939249420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 1294, 1941, 2588, 3882, 5823, 7764, 11646, 23292, 867227, 1734454, 2601681, 3468908, 5203362, 7805043, 10406724, 15610086, 31220172, 561095869, 1122191738, 1683287607, 2244383476, 3366575214, 5049862821, 6733150428, 10099725642, 20199451284]

約数ペア:

[(1, 20199451284), (2, 10099725642), (3, 6733150428), (4, 5049862821), (6, 3366575214), (9, 2244383476), (12, 1683287607), (18, 1122191738), (36, 561095869), (647, 31220172), (1294, 15610086), (1941, 10406724), (2588, 7805043), (3882, 5203362), (5823, 3468908), (7764, 2601681), (11646, 1734454), (23292, 867227)]