20227745420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{72031}}^1$

素因数の和:72798

約数の個数: 48

約数和(自身を含む): 44775091200

約数和(自身を除く): 24547345780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 739, 1478, 2956, 3695, 7390, 14041, 14780, 28082, 56164, 70205, 72031, 140410, 144062, 280820, 288124, 360155, 720310, 1368589, 1440620, 2737178, 5474356, 6842945, 13685890, 27371780, 53230909, 106461818, 212923636, 266154545, 532309090, 1011387271, 1064618180, 2022774542, 4045549084, 5056936355, 10113872710, 20227745420]

約数ペア:

[(1, 20227745420), (2, 10113872710), (4, 5056936355), (5, 4045549084), (10, 2022774542), (19, 1064618180), (20, 1011387271), (38, 532309090), (76, 266154545), (95, 212923636), (190, 106461818), (380, 53230909), (739, 27371780), (1478, 13685890), (2956, 6842945), (3695, 5474356), (7390, 2737178), (14041, 1440620), (14780, 1368589), (28082, 720310), (56164, 360155), (70205, 288124), (72031, 280820), (140410, 144062)]