20187339424

素因数分解:

$2^5\times 7^1\times {\mathrm{167}}^1\times {\mathrm{539653}}^1$

素因数の和:539837

約数の個数: 48

約数和(自身を含む): 45693583488

約数和(自身を除く): 25506244064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 167, 224, 334, 668, 1169, 1336, 2338, 2672, 4676, 5344, 9352, 18704, 37408, 539653, 1079306, 2158612, 3777571, 4317224, 7555142, 8634448, 15110284, 17268896, 30220568, 60441136, 90122051, 120882272, 180244102, 360488204, 630854357, 720976408, 1261708714, 1441952816, 2523417428, 2883905632, 5046834856, 10093669712, 20187339424]

約数ペア:

[(1, 20187339424), (2, 10093669712), (4, 5046834856), (7, 2883905632), (8, 2523417428), (14, 1441952816), (16, 1261708714), (28, 720976408), (32, 630854357), (56, 360488204), (112, 180244102), (167, 120882272), (224, 90122051), (334, 60441136), (668, 30220568), (1169, 17268896), (1336, 15110284), (2338, 8634448), (2672, 7555142), (4676, 4317224), (5344, 3777571), (9352, 2158612), (18704, 1079306), (37408, 539653)]